Leases (Lease Cost) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Operating Leases | |||
| Schedule of Operating and Finance Lease Cost [Line Items] | |||
| Operating lease cost | $ 2,450 | $ 2,296 | $ 1,976 |
| Short-term and other (net of sublease rental income) | 1,490 | 2,047 | 1,563 |
| Total | 3,940 | 4,343 | 3,539 |
| Finance Leases | |||
| Schedule of Operating and Finance Lease Cost [Line Items] | |||
| Amortization of right of use assets | 161 | 140 | 107 |
| Interest on lease liabilities | 167 | 149 | 140 |
| Total | 328 | 289 | 247 |
| Drilling Rigs and Related Equipment | |||
| Schedule of Operating and Finance Lease Cost [Line Items] | |||
| Total | $ 984 | $ 1,195 | $ 999 |
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- Definition Amount of interest expense on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of amortization expense attributable to right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Schedule of Operating and Finance Leased Assets No definition available.
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- References No definition available.
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