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v3.20.4

Leases - Lessee (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Lease, Cost [Abstract] |  |
Operating leases | $ 55 | $ 136
Short-term and variable leases | 101 | 92
Total lease cost(a) | 156 | 228
Lease Costs Capitalized | 25 | 46
Lessee, Operating Lease, Description [Abstract] |  |
Operating cash flows from operating leases | (131) | (182)
Investing cash flows from operating leases | (25) | (46)
ROU assets obtained in exchange for operating lease obligations, net of retirements adjusted for currency conversion | 20 | 399
Amortization of ROU assets | $ 46 | $ 75
Weighted average remaining lease term | 11 years 6 months 21 days | 13 years 4 months 24 days
Weighted average discount rate | 4.27% | 4.31%
Assets and Liabilities, Lessee [Abstract] |  |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | us-gaap:OtherAssetsNoncurrent | us-gaap:OtherAssetsNoncurrent
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:OtherAccruedLiabilitiesCurrent | us-gaap:OtherAccruedLiabilitiesCurrent
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:DeferredCreditsAndOtherLiabilitiesNoncurrent | us-gaap:DeferredCreditsAndOtherLiabilitiesNoncurrent
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | us-gaap:PropertyPlantAndEquipmentNet | us-gaap:PropertyPlantAndEquipmentNet
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:LongTermDebtNoncurrent | us-gaap:LongTermDebtNoncurrent
ROU assets | $ 303 | $ 329
Short-term lease liability | 40 | 40
Long-term lease liability | 263 | 289
Finance lease assets | 1 | 2
Finance lease liabilities | 1 | 2
Lessee, Operating Lease, Liability, Payment, Due [Abstract] |  |
2021 | 53 |
2022 | 46 |
2023 | 38 |
2024 | 34 |
2025 | 30 |
Thereafter | 211 |
Total lease payments | 412 |
Less: Interest | (109) |
Present value of lease liabilities | 303 |
KML and U.S. Portion of Cochin Pipeline System |  |
Lessee, Operating Lease, Description [Abstract] |  |
Removal of ROU assets and liabilities associated with the KML and U.S. Cochin Sale | 0 | (394)
Amount Excluding Cumulative Adjustment |  |
Lessee, Operating Lease, Description [Abstract] |  |
ROU assets obtained in exchange for operating lease obligations, net of retirements adjusted for currency conversion | $ 20 | $ 102

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