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Mergers and Acquisitions (Debt Assumed) (Details) - Pioneer Natural Resources Merger - USD ($) $ in Millions | May 03, 2024 | May 02, 2024
--- | --- | ---
0.250% Convertible Senior Notes due May 2025 |  |
Business acquisition [Line Items] |  |
Par Value | $ 450 |
Fair Value |  | $ 1,327
Interest rate | 0.25% |
1.125% Senior Notes due January 2026 |  |
Business acquisition [Line Items] |  |
Par Value | $ 750 |
Fair Value |  | 699
Interest rate | 1.125% |
5.100% Senior Notes due March 2026 |  |
Business acquisition [Line Items] |  |
Par Value | $ 1,100 |
Fair Value |  | 1,096
Interest rate | 5.10% |
7.200% Senior Notes due January 2028 |  |
Business acquisition [Line Items] |  |
Par Value | $ 241 |
Fair Value |  | 252
Interest rate | 7.20% |
4.125% Senior Notes due February 2028 |  |
Business acquisition [Line Items] |  |
Par Value | $ 138 |
Fair Value |  | 130
Interest rate | 4.125% |
1.900% Senior Notes due August 2030 |  |
Business acquisition [Line Items] |  |
Par Value | $ 1,100 |
Fair Value |  | 914
Interest rate | 1.90% |
2.150% Senior Notes due January 2031 |  |
Business acquisition [Line Items] |  |
Par Value | $ 1,000 |
Fair Value |  | $ 832
Interest rate | 2.15% |

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