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Leases Components of balance sheet (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021
Impairment of right-of-use assets associated with operating leases | $ 191 |  |
Operating lease right-of-use assets (non-current) |  | $ 913 | $ 934
Current portion of operating lease liabliities |  | 224 | 240
Operating lease liabilities (non-current) |  | 791 | 845
Other assets |  |  |
Finance leases - Other assets (non-current) |  | 124 | 85
Other current liabilities |  |  |
Finance leases - Other current liabilities |  | 26 | 26
Other liabilities |  |  |
Finance leases - Other liabilities (non-current) |  | $ 115 | $ 85

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