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Leases (Tables) | 12 Months Ended
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Dec. 31, 2023
Leases |
Summary of lease balance sheet information | Supplemental balance sheet information for our leases as of December 31 is as follows (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Leases |  | Classification |  | 2023 |  | 2022
Assets |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
Long-term: |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | ​ | Other assets | ​ | $ | 453 | ​ | $ | 456
Financing | ​ | Property and equipment, net of accumulated depreciation and depletion | ​ | ​ | 393 | ​ | ​ | 328
Total lease assets | ​ | ​ | ​ | $ | 846 | ​ | $ | 784
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | ​ | Accrued liabilities | ​ | $ | 66 | ​ | $ | 64
Financing | ​ | Current portion of long-term debt | ​ | ​ | 53 | ​ | ​ | 44
Long-term: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | ​ | Other liabilities | ​ | ​ | 452 | ​ | ​ | 460
Financing | ​ | Long-term debt, less current portion | ​ | ​ | 321 | ​ | ​ | 258
Total lease liabilities | ​ | ​ | ​ | $ | 892 | ​ | $ | 826
Summary of maturities of operating lease liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | Operating |  | ​ | Financing
2024 |  | $ | 79 | ​ | $ | 65
2025 |  | ​ | 69 | ​ | ​ | 72
2026 |  | ​ | 61 | ​ | ​ | 52
2027 |  | ​ | 52 | ​ | ​ | 44
2028 | ​ | ​ | 45 | ​ | ​ | 33
Thereafter | ​ | ​ | 399 | ​ | ​ | 215
Total undiscounted lease payments | ​ | $ | 705 | ​ | $ | 481
Less: interest | ​ | ​ | (187) | ​ | ​ | (107)
Discounted lease liabilities | ​ | $ | 518 | ​ | $ | 374
Summary of maturities of finance lease liabilities | Minimum contractual obligations for our leases (undiscounted) as of December 31, 2023 are as follows (in millions): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | Operating |  | ​ | Financing
2024 |  | $ | 79 | ​ | $ | 65
2025 |  | ​ | 69 | ​ | ​ | 72
2026 |  | ​ | 61 | ​ | ​ | 52
2027 |  | ​ | 52 | ​ | ​ | 44
2028 | ​ | ​ | 45 | ​ | ​ | 33
Thereafter | ​ | ​ | 399 | ​ | ​ | 215
Total undiscounted lease payments | ​ | $ | 705 | ​ | $ | 481
Less: interest | ​ | ​ | (187) | ​ | ​ | (107)
Discounted lease liabilities | ​ | $ | 518 | ​ | $ | 374

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- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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- Definition Balance sheet information about leases. + References No definition available. + Details
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