Pioneer Natural Resources Merger (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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