Stockholders' Equity - Rollforward (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	97,287
Beginning balance	$ 13,527	$ 12,489
Treasury stock beginning balance (in shares)	(103)
Net income	$ 343	231
Other comprehensive income	176	(208)
Issuance of common stock and release of treasury stock for employee equity awards	49	48
Issuance of common stock under ATM Program	99
Dividend distribution on common stock	(457)	(402)
Settlement of accrued dividends on vested equity awards	(1)	(1)
Accrued dividends on unvested equity awards	2	1
Stock-based compensation, net of estimated forfeitures	$ 150	141
Ending balance (in shares)	97,819
Ending balance	$ 13,888	12,299
Treasury stock ending balance (in shares)	(84)
Parent
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 13,528	12,489
Net income	343	231
Other comprehensive income	176	(208)
Issuance of common stock and release of treasury stock for employee equity awards	49	48
Issuance of common stock under ATM Program	99
Dividend distribution on common stock	(457)	(402)
Settlement of accrued dividends on vested equity awards	(1)	(1)
Accrued dividends on unvested equity awards	2	1
Stock-based compensation, net of estimated forfeitures	150	141
Ending balance	$ 13,889	$ 12,299
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	97,390	94,630
Beginning balance	$ 0	$ 0
Issuance of common stock and release of treasury stock for employee equity awards (in shares)	406	407
Issuance of common stock under ATM Program (in shares)	107
Ending balance (in shares)	97,903	95,037
Ending balance	$ 0	$ 0
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (39)	$ (56)
Treasury stock beginning balance (in shares)	(103)	(151)
Issuance of common stock and release of treasury stock for employee equity awards (in shares)	19	18
Issuance of common stock and release of treasury stock for employee equity awards	$ 7	$ 6
Ending balance	$ (32)	$ (50)
Treasury stock ending balance (in shares)	(84)	(133)
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 20,895	$ 18,596
Issuance of common stock and release of treasury stock for employee equity awards	42	42
Issuance of common stock under ATM Program	99
Stock-based compensation, net of estimated forfeitures	150	141
Ending balance	21,186	18,779
Accumulated Dividends
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(10,342)	(8,695)
Dividend distribution on common stock	(457)	(402)
Settlement of accrued dividends on vested equity awards	(1)	(1)
Accrued dividends on unvested equity awards	2	1
Ending balance	(10,798)	(9,097)
AOCI (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,735)	(1,290)
Other comprehensive income	176	(208)
Ending balance	(1,559)	(1,498)
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	4,749	3,934
Net income	343	231
Ending balance	5,092	4,165
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1)	0
Ending balance	$ (1)	$ 0