Pioneer Natural Resources Merger (Net Asset Acquired) (Details) - Pioneer Natural Resources Merger $ in Billions	May 03, 2024 USD ($)
Business acquisition [Line Items]
Current assets	$ 3
Other non-current assets	1
Property, plant, and equipment	84
Total identifiable assets acquired	88
Current liabilities	3
Long-term debt	5
Deferred income tax liabilities	16
Other non-current liabilities	2
Total liabilities assumed	26
Net identifiable assets acquired	62
Goodwill	1
Net assets	$ 63