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

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