Derivative Financial Instruments - Schedule of Derivative Obligations Under Terminated Hedge Arrangements (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Noncash derivative gain (loss), net			$ 451	$ (325)	$ 8
Derivative gain (loss), net			(2,183)	(281)	55
Forecast
Derivative [Line Items]
Cash receipts (payments/deferred obligations) on settled derivatives, net		$ (328)
Commodity price derivatives
Derivative [Line Items]
Noncash derivative gain (loss), net			437	(213)	8
Cash receipts (payments/deferred obligations) on settled derivatives, net			(2,595)	66	47
Derivative gain (loss), net			(2,158)	(147)	55
Marketing derivatives
Derivative [Line Items]
Noncash derivative gain (loss), net			14	(112)
Cash receipts (payments/deferred obligations) on settled derivatives, net			(39)
Derivative gain (loss), net			(25)	(112)	$ 0
Interest rate derivatives
Derivative [Line Items]
Cash receipts (payments/deferred obligations) on settled derivatives, net				$ (22)
Oil and gas contracts
Derivative [Line Items]
Gain (loss) on derivative, net	$ (508)		$ (521)