Income Taxes - Reconciliation of Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income/(loss) before tax	$ 1,409	$ 712	$ (2,607)
Net (income)/loss attributable to noncontrolling interests	(995)	(540)	1,872
Income taxes attributable to noncontrolling interests	(189)	(73)	19
Income/(loss) before tax after deducting net income and taxes attributable to noncontrolling interest	$ 225	$ 99	$ (716)
Federal statutory income tax rate	21.00%	21.00%	21.00%
Income tax expense/(benefit) at statutory rate	$ 47	$ 21	$ (150)
Deferred tax rate adjustment	7	17	11
State income tax, net of federal benefit	3	1	(9)
Income taxes attributable to noncontrolling interests:
Canadian federal and provincial income tax	188	71	(19)
State income tax	1	2	0
Total income tax expense/(benefit)	$ 246	$ 112	$ (167)