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Side-by-side financial comparison of Duke Energy (DUK) and Schlumberger (SLB). Click either name above to swap in a different company.

Schlumberger is the larger business by last-quarter revenue ($8.7B vs $7.8B, roughly 1.1× Duke Energy). Duke Energy runs the higher net margin — 15.2% vs 8.6%, a 6.6% gap on every dollar of revenue. On growth, Duke Energy posted the faster year-over-year revenue change (7.4% vs 2.7%). Schlumberger produced more free cash flow last quarter ($103.0M vs $-485.0M). Over the past eight quarters, Duke Energy's revenue compounded faster (1.6% CAGR vs -2.3%).

Duke Energy Corporation is an American electric power and natural gas holding company headquartered in Charlotte, North Carolina. The company serves over 7 million customers in the eastern United States. In 2024 it ranked as the 141st largest company in the United States – its highest-ever placement on the Fortune 500 list.

SLB, formerly known as Schlumberger, is an American multinational oilfield services company. Founded in France in 1926, the company is now incorporated as SLB N.V. in Willemstad, Curaçao, with principal executive offices in four cities: Paris, France; Houston, Texas, United States; London, UK; and The Hague, Netherlands. As of 2022, it is both the world's largest offshore drilling company and the world's largest offshore drilling contractor by revenue.

DUK vs SLB — Head-to-Head

Bigger by revenue
SLB
SLB
1.1× larger
SLB
$8.7B
$7.8B
DUK
Growing faster (revenue YoY)
DUK
DUK
+4.6% gap
DUK
7.4%
2.7%
SLB
Higher net margin
DUK
DUK
6.6% more per $
DUK
15.2%
8.6%
SLB
More free cash flow
SLB
SLB
$588.0M more FCF
SLB
$103.0M
$-485.0M
DUK
Faster 2-yr revenue CAGR
DUK
DUK
Annualised
DUK
1.6%
-2.3%
SLB

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
DUK
DUK
SLB
SLB
Revenue
$7.8B
$8.7B
Net Profit
$1.2B
$752.0M
Gross Margin
Operating Margin
27.3%
Net Margin
15.2%
8.6%
Revenue YoY
7.4%
2.7%
Net Profit YoY
-1.7%
-5.6%
EPS (diluted)
$1.49
$0.50

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
DUK
DUK
SLB
SLB
Q1 26
$8.7B
Q4 25
$7.8B
$9.7B
Q3 25
$8.4B
$8.9B
Q2 25
$7.4B
$8.5B
Q1 25
$8.2B
$8.5B
Q4 24
$7.2B
$9.3B
Q3 24
$8.1B
$9.2B
Q2 24
$7.2B
$9.1B
Net Profit
DUK
DUK
SLB
SLB
Q1 26
$752.0M
Q4 25
$1.2B
$824.0M
Q3 25
$1.4B
$739.0M
Q2 25
$984.0M
$1.0B
Q1 25
$1.4B
$797.0M
Q4 24
$1.2B
$1.1B
Q3 24
$1.3B
$1.2B
Q2 24
$900.0M
$1.1B
Operating Margin
DUK
DUK
SLB
SLB
Q1 26
Q4 25
27.3%
9.7%
Q3 25
27.9%
11.2%
Q2 25
24.8%
15.0%
Q1 25
28.5%
12.5%
Q4 24
29.2%
14.9%
Q3 24
26.4%
16.5%
Q2 24
23.9%
15.5%
Net Margin
DUK
DUK
SLB
SLB
Q1 26
8.6%
Q4 25
15.2%
8.5%
Q3 25
17.0%
8.3%
Q2 25
13.3%
11.9%
Q1 25
16.8%
9.4%
Q4 24
16.6%
11.8%
Q3 24
15.8%
12.9%
Q2 24
12.6%
12.2%
EPS (diluted)
DUK
DUK
SLB
SLB
Q1 26
$0.50
Q4 25
$1.49
$0.53
Q3 25
$1.81
$0.50
Q2 25
$1.25
$0.74
Q1 25
$1.76
$0.58
Q4 24
$1.54
$0.77
Q3 24
$1.60
$0.83
Q2 24
$1.13
$0.77

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
DUK
DUK
SLB
SLB
Cash + ST InvestmentsLiquidity on hand
$245.0M
$3.4B
Total DebtLower is stronger
$80.1B
$9.7B
Stockholders' EquityBook value
$51.8B
$27.4B
Total Assets
$195.7B
$19.3B
Debt / EquityLower = less leverage
1.55×
0.35×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DUK
DUK
SLB
SLB
Q1 26
$3.4B
Q4 25
$245.0M
$1.2B
Q3 25
$688.0M
$571.0M
Q2 25
$344.0M
$511.0M
Q1 25
$475.0M
$961.0M
Q4 24
$314.0M
$1.1B
Q3 24
$376.0M
$1.4B
Q2 24
$390.0M
$1.1B
Total Debt
DUK
DUK
SLB
SLB
Q1 26
$9.7B
Q4 25
$80.1B
Q3 25
Q2 25
Q1 25
Q4 24
$76.3B
Q3 24
Q2 24
Stockholders' Equity
DUK
DUK
SLB
SLB
Q1 26
$27.4B
Q4 25
$51.8B
$26.1B
Q3 25
$51.5B
$25.6B
Q2 25
$50.9B
$20.3B
Q1 25
$50.7B
$19.5B
Q4 24
$50.1B
$21.1B
Q3 24
$49.1B
$21.5B
Q2 24
$49.7B
$21.1B
Total Assets
DUK
DUK
SLB
SLB
Q1 26
$19.3B
Q4 25
$195.7B
$54.9B
Q3 25
$192.3B
$55.1B
Q2 25
$189.7B
$48.8B
Q1 25
$187.5B
$49.0B
Q4 24
$186.3B
$48.9B
Q3 24
$183.6B
$49.8B
Q2 24
$181.6B
$49.4B
Debt / Equity
DUK
DUK
SLB
SLB
Q1 26
0.35×
Q4 25
1.55×
Q3 25
Q2 25
Q1 25
Q4 24
1.52×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
DUK
DUK
SLB
SLB
Operating Cash FlowLast quarter
$3.7B
Free Cash FlowOCF − Capex
$-485.0M
$103.0M
FCF MarginFCF / Revenue
-6.2%
1.2%
Capex IntensityCapex / Revenue
53.3%
Cash ConversionOCF / Net Profit
3.09×
TTM Free Cash FlowTrailing 4 quarters
$-1.7B
$4.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DUK
DUK
SLB
SLB
Q1 26
Q4 25
$3.7B
$3.0B
Q3 25
$3.6B
$1.7B
Q2 25
$2.9B
$1.1B
Q1 25
$2.2B
$660.0M
Q4 24
$3.4B
$2.4B
Q3 24
$3.5B
$2.4B
Q2 24
$3.0B
$1.4B
Free Cash Flow
DUK
DUK
SLB
SLB
Q1 26
$103.0M
Q4 25
$-485.0M
$2.5B
Q3 25
$179.0M
$1.3B
Q2 25
$-417.0M
$771.0M
Q1 25
$-971.0M
$262.0M
Q4 24
$288.0M
$1.8B
Q3 24
$537.0M
$2.0B
Q2 24
$-43.0M
$973.0M
FCF Margin
DUK
DUK
SLB
SLB
Q1 26
1.2%
Q4 25
-6.2%
25.5%
Q3 25
2.1%
14.3%
Q2 25
-5.7%
9.0%
Q1 25
-11.8%
3.1%
Q4 24
4.0%
19.2%
Q3 24
6.6%
21.7%
Q2 24
-0.6%
10.6%
Capex Intensity
DUK
DUK
SLB
SLB
Q1 26
Q4 25
53.3%
5.3%
Q3 25
41.2%
4.6%
Q2 25
44.5%
4.3%
Q1 25
38.3%
4.7%
Q4 24
42.7%
6.6%
Q3 24
36.8%
5.0%
Q2 24
41.9%
5.1%
Cash Conversion
DUK
DUK
SLB
SLB
Q1 26
Q4 25
3.09×
3.65×
Q3 25
2.56×
2.28×
Q2 25
2.91×
1.13×
Q1 25
1.58×
0.83×
Q4 24
2.80×
2.18×
Q3 24
2.75×
2.06×
Q2 24
3.28×
1.29×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

DUK
DUK

Electric Utilitiesand Infrastructure$7.0B90%
Other Revenues$741.0M10%

SLB
SLB

Segment breakdown not available.

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