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Leases (Tables) | 12 Months Ended
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Dec. 31, 2022
Leases [Abstract] |
Lease-Related Assets and Liabilities | Lease-related assets and liabilities recorded on the Consolidated Balance Sheet were as follows:
(in millions) | Balance Sheet location | December 31, 2022 |  | December 31, 2021
Assets |  |  |  |
Operating | Operating lease right-of-use assets (net) | $ | 1,394 |  |  | $ | 1,590 |
Finance | Property and equipment (net of allowance for depreciation and amortization of $634 million and $679 million) | 297 |  |  | 556 |
Total lease assets |  | $ | 1,691 |  |  | $ | 2,146 |
Liabilities |  |  |  |
Current |  |  |  |
Operating | Current operating lease liabilities | $ | 225 |  |  | $ | 239 |
Finance | Current maturities of long-term debt | 42 |  |  | 82 |
Noncurrent |  |  |  |
Operating | Noncurrent operating lease liabilities | 1,118 |  |  | 1,315 |
Finance | Long-term debt less current maturities | 147 |  |  | 377 |
Total lease liabilities |  | $ | 1,532 |  |  | $ | 2,013 |
Components of Lease Cost | The components of lease costs, included in the Consolidated Statement of Income (Loss), were as follows:
(in millions) | Year ended December 31, 2022 |  | Year ended December 31, 2021 |  | Year ended December 31, 2020
Operating lease cost - aircraft (a) | $ | 188 |  |  | $ | 204 |  |  | $ | 216 |
Operating lease cost - other | 84 |  |  | 81 |  |  | 89 |
Short-term lease cost | 2 |  |  | 1 |  |  | 1 |
Variable lease cost | 1,447 |  |  | 1,406 |  |  | 1,260 |
Amortization of finance lease liabilities | 106 |  |  | 112 |  |  | 113 |
Interest on finance lease liabilities | 15 |  |  | 19 |  |  | 22 |
Total net lease cost | $ | 1,842 |  |  | $ | 1,823 |  |  | $ | 1,701 |
(a) Net of sublease income of $17 million, $41 million, and $78 million for the years ended December 31, 2022, 2021, and 2020. Supplemental cash flow information related to leases, included in the Consolidated Statement of Cash Flows, was as follows:
(in millions) | Year ended December 31, 2022 |  | Year ended December 31, 2021 |  | Year ended December 31, 2020
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |
Operating cash flows for operating leases | $ | 303 |  |  | $ | 346 |  |  | $ | 398 |
Operating cash flows for finance leases | 16 |  |  | 19 |  |  | 22 |
Financing cash flows for finance leases | 78 |  |  | 83 |  |  | 85 |
Right-of-use assets obtained in exchange for lease obligations: |  |  |  |  |
Operating leases | 58 |  |  | 327 |  |  | 915 |
The table below presents additional information related to the Company's leases:
Weighted average remaining lease term | December 31, 2022 |  | December 31, 2021
Operating leases | 8 years |  | 8 years
Finance leases | 6 years |  | 6 years
Weighted average discount rate |  |  |
Operating leases (a) | 3.6 | % |  | 3.5 | %
Finance leases | 3.9 | % |  | 3.8 | %
Finance Lease Maturity | As of December 31, 2022, maturities of lease liabilities were as follows:
(in millions) | Operating leases |  | Finance leases |  |  |  |
2023 | $ | 266 |  |  | $ | 49 |  |  |  |  |
2024 | 228 |  |  | 46 |  |  |  |  |
2025 | 187 |  |  | 33 |  |  |  |  |
2026 | 178 |  |  | 24 |  |  |  |  |
2027 | 174 |  |  | 22 |  |  |  |  |
Thereafter | 522 |  |  | 36 |  |  |  |  |
Total lease payments | $ | 1,555 |  |  | $ | 210 |  |  |  |  |
Less imputed interest | (212) |  |  | (21) |  |  |  |  |
Total lease obligations | 1,343 |  |  | 189 |  |  |  |  |
Less current obligations | (225) |  |  | (42) |  |  |  |  |
Long-term lease obligations | $ | 1,118 |  |  | $ | 147 |  |  |  |  |
Operating Lease Maturity | As of December 31, 2022, maturities of lease liabilities were as follows:
(in millions) | Operating leases |  | Finance leases |  |  |  |
2023 | $ | 266 |  |  | $ | 49 |  |  |  |  |
2024 | 228 |  |  | 46 |  |  |  |  |
2025 | 187 |  |  | 33 |  |  |  |  |
2026 | 178 |  |  | 24 |  |  |  |  |
2027 | 174 |  |  | 22 |  |  |  |  |
Thereafter | 522 |  |  | 36 |  |  |  |  |
Total lease payments | $ | 1,555 |  |  | $ | 210 |  |  |  |  |
Less imputed interest | (212) |  |  | (21) |  |  |  |  |
Total lease obligations | 1,343 |  |  | 189 |  |  |  |  |
Less current obligations | (225) |  |  | (42) |  |  |  |  |
Long-term lease obligations | $ | 1,118 |  |  | $ | 147 |  |  |  |  |

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