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v3.20.4

Lease Commitments - Balance Sheets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Operating Leases |  |
Right-of-use asset | $ 3,949 | $ 4,074
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | us-gaap:OtherLiabilitiesCurrent | us-gaap:OtherLiabilitiesCurrent
Operating lease liability, current | $ 1,291 | $ 1,277
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | us-gaap:OtherLiabilitiesNoncurrent | us-gaap:OtherLiabilitiesNoncurrent
Noncurrent operating lease liabilities | $ 2,615 | $ 2,608
Operating Lease, Liability, Statement of Financial Position [Extensible List] | us-gaap:OtherLiabilities | us-gaap:OtherLiabilities
Total operating lease liabilities | $ 3,906 | $ 3,885
Weighted-average remaining lease term (in years) | 7 years 2 months 12 days | 5 years 2 months 12 days
Weighted-average discount rate | 2.80% | 3.20%
Finance Leases |  |
Right-of-use asset | $ 455 | $ 329
Current lease liabilities | 186 | 18
Noncurrent lease liabilities | 447 | 282
Finance lease liability | $ 633 | $ 300
Weighted-average remaining lease term (in years) | 10 years 4 months 24 days | 16 years
Weighted-average discount rate | 3.90% | 4.70%
Right-of-use asset obtained in exchange for operating lease liability | $ 1,353 | $ 1,201
Right-of-use asset obtained in exchange for finance lease liability | 164 | $ 184
Puma |  |
Operating Leases |  |
Right-of-use asset | 566 |
Total operating lease liabilities | 566 |
Noble |  |
Operating Leases |  |
Right-of-use asset | 124 |
Total operating lease liabilities | 148 |
Finance Leases |  |
Right-of-use asset | 112 |
Finance lease liability | $ 309 |

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