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Fair Value Measurement - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Carrying value of equity method investment	$ 6,701	$ 7,493	$ 6,701
Impairments		$ (12)	$ 674	$ 813
APLNG
Schedule of Equity Method Investments [Line Items]
Equity interest of ConocoPhillips	10.00%		10.00%
Carrying value of equity method investment	$ 1,645		$ 1,645
APLNG \| Equity Method Investments
Schedule of Equity Method Investments [Line Items]
Fair value, equity method investments	5,574		$ 5,574
Impairments	$ 688