Accumulated Other Comprehensive Income - Schedule of Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest expense	$ 3,801	$ 2,414	$ 696
Income tax benefit	(260)	29	176
Net income (loss)	(1,118)	(79)	650
General and administrative	809	624	158
Reclassification from AOCI
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net income (loss)	67	42	1
Reclassification from AOCI | Unrealized gains on cash flow hedges:
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest expense	93	65	4
Income tax benefit	(24)	(17)	(1)
Net income (loss)	69	48	3
Reclassification from AOCI | Amortization of defined benefit pension plan items, net of tax
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net income (loss)	(2)	(6)	(2)
Reclassification from AOCI | Actuarial losses
Accumulated Other Comprehensive Income (Loss) [Line Items]
Income tax benefit	(1)	(1)	0
General and administrative	$ (3)	$ (7)	$ (2)