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Leases (Tables) | 12 Months Ended
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Dec. 31, 2024
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 |  | 2024 |  | 2023
Assets |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
Long-term: |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | ​ | Other assets | ​ | $ | 996 | ​ | $ | 453
Financing | ​ | Property and equipment, net of accumulated depreciation and depletion | ​ | ​ | 457 | ​ | ​ | 393
Total lease assets | ​ | ​ | ​ | $ | 1,453 | ​ | $ | 846
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Current: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | ​ | Accrued liabilities | ​ | $ | 162 | ​ | $ | 66
Financing | ​ | Current portion of long-term debt | ​ | ​ | 73 | ​ | ​ | 53
Long-term: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Operating | ​ | Other liabilities | ​ | ​ | 878 | ​ | ​ | 452
Financing | ​ | Long-term debt, less current portion | ​ | ​ | 374 | ​ | ​ | 321
Total lease liabilities | ​ | ​ | ​ | $ | 1,487 | ​ | $ | 892
Summary of maturities of operating lease liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | Operating |  | ​ | Financing
2025 |  | $ | 207 | ​ | $ | 83
2026 |  | ​ | 187 | ​ | ​ | 76
2027 |  | ​ | 165 | ​ | ​ | 68
2028 |  | ​ | 146 | ​ | ​ | 58
2029 | ​ | ​ | 116 | ​ | ​ | 51
Thereafter | ​ | ​ | 475 | ​ | ​ | 252
Total undiscounted lease payments | ​ | $ | 1,296 | ​ | $ | 588
Less: interest | ​ | ​ | (256) | ​ | ​ | (141)
Discounted lease liabilities | ​ | $ | 1,040 | ​ | $ | 447
Summary of maturities of finance lease liabilities | Minimum contractual obligations for our leases (undiscounted) as of December 31, 2024 are as follows (in millions): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | Operating |  | ​ | Financing
2025 |  | $ | 207 | ​ | $ | 83
2026 |  | ​ | 187 | ​ | ​ | 76
2027 |  | ​ | 165 | ​ | ​ | 68
2028 |  | ​ | 146 | ​ | ​ | 58
2029 | ​ | ​ | 116 | ​ | ​ | 51
Thereafter | ​ | ​ | 475 | ​ | ​ | 252
Total undiscounted lease payments | ​ | $ | 1,296 | ​ | $ | 588
Less: interest | ​ | ​ | (256) | ​ | ​ | (141)
Discounted lease liabilities | ​ | $ | 1,040 | ​ | $ | 447

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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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