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Commitments and Contingencies (Schedule of Commitments and Contingencies) (Details) $ in Millions | Dec. 31, 2023 USD ($)
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Drilling and Facility Obligations [Member] |  |
Long Term Purchase Commitment [Line Items] |  |
2024 | $ 190 | [1]
2025 | 25 | [1]
2026 | 19 | [1]
2027 | 23 | [1]
2028 | 35 | [1]
Thereafter | 4 | [1]
Total | 296 | [1]
Operational Agreements [Member] |  |
Long Term Purchase Commitment [Line Items] |  |
2024 | 523 | [1]
2025 | 550 | [1]
2026 | 514 | [1]
2027 | 384 | [1]
2028 | 362 | [1]
Thereafter | 1,132 | [1]
Total | 3,465 | [1]
Office and Equipment Leases and Other [Member] |  |
Long Term Purchase Commitment [Line Items] |  |
2024 | 103 |
2025 | 83 |
2026 | 58 |
2027 | 42 |
2028 | 37 |
Thereafter | 432 |
Total | $ 755 |
[1] | Total costs incurred under take-or-pay and throughput obligations were approximately $750 million, $650 million and $500 million in 2023, 2022 and 2021, respectively.

X
- Definition Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 + Details
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