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Leases, Additional Information (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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ROU assets, net reflected in the following balance sheet line items: |  |
Operating lease ROU assets, net, balance sheet line item | Deferred charges and other assets, net | Deferred charges and other assets, net
Operating leases - deferred charges and other assets, net | $ 1,284 | $ 1,204
Current lease liabilities reflected in the following balance sheet line items: |  |
Current operating lease liabilities, balance sheet line item | Accrued expenses | Accrued expenses
Operating leases - accrued expenses | $ 315 | $ 285
Noncurrent lease liabilities reflected in the following balance sheet line items: |  |
Noncurrent operating lease liabilities, balance sheet line item | Other long-term liabilities | Other long-term liabilities
Operating leases - other long-term liabilities | $ 940 | $ 885
Operating leases - total lease liabilities | $ 1,255 | $ 1,170
ROU assets, net reflected in the following balance sheet line items: |  |
Finance lease ROU assets, net, balance sheet line item | Property, plant, and equipment, net | Property, plant, and equipment, net
Finance leases - property, plant, and equipment, net | $ 1,846 | $ 1,622
Current lease liabilities reflected in the following balance sheet line items: |  |
Current finance lease liabilities, balance sheet line item | Less: Current portion | Less: Current portion
Finance leases - current portion of debt and finance lease obligations | $ 154 | $ 120
Noncurrent lease liabilities reflected in the following balance sheet line items: |  |
Noncurrent finance lease liabilities, balance sheet line item | Debt and finance lease obligations, less current portion | Debt and finance lease obligations, less current portion
Finance leases - debt and finance lease obligations, less current portion | $ 1,766 | $ 1,544
Finance leases - total lease liabilities | $ 1,920 | $ 1,664
Operating Leases |  |
Weighted-average remaining lease term | 7 years 1 month 6 days | 7 years 7 months 6 days
Weighted-average discount rate | 4.20% | 4.70%
Finance Leases |  |
Weighted-average remaining lease term | 14 years 3 months 18 days | 14 years 6 months
Weighted-average discount rate | 4.00% | 4.10%

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