Stockholders' Equity - Rollforward (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)			97,287				97,287
Beginning balance	$ 14,082	$ 13,888	$ 13,527	$ 12,278	$ 12,299	$ 12,489	$ 13,527	$ 12,489
Treasury stock beginning balance (in shares)			(103)				(103)
Net income (loss)	374	367	$ 343	296	301	231	$ 1,084	828
Other comprehensive income (loss)	(20)	160	176	258	(43)	(208)	$ 316	7
Issuance of common stock and release of treasury stock for employee equity awards	44	2	49	44	2	48
Dividend distribution on common stock	(459)	(459)	(457)	(405)	(405)	(402)
Settlement of accrued dividends on vested equity awards	(1)		(1)	(1)		(1)
Accrued dividends on unvested equity awards	(6)	(14)	2	(1)	(12)	1
Stock-based compensation, net of estimated forfeitures	139	138	150	138	136	141
Contribution from non-controlling interest	$ 2			4
Ending balance (in shares)	98,187						98,187
Ending balance	$ 14,155	14,082	13,888	13,587	12,278	12,299	$ 14,155	13,587
Treasury stock ending balance (in shares)	(63)						(63)
ATM Program
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under ATM Program			99	976
Parent
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 14,084	13,889	13,528	12,278	12,299	12,489	$ 13,528	12,489
Net income (loss)	374	368	343	297	301	231
Other comprehensive income (loss)	(20)	160	176	258	(43)	(208)
Issuance of common stock and release of treasury stock for employee equity awards	44	2	49	44	2	48
Dividend distribution on common stock	(459)	(459)	(457)	(405)	(405)	(402)
Settlement of accrued dividends on vested equity awards	(1)		(1)	(1)		(1)
Accrued dividends on unvested equity awards	(6)	(14)	2	(1)	(12)	1
Stock-based compensation, net of estimated forfeitures	139	138	150	138	136	141
Contribution from non-controlling interest	2			4
Ending balance	$ 14,157	$ 14,084	13,889	13,588	$ 12,278	$ 12,299	$ 14,157	$ 13,588
Parent | ATM Program
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under ATM Program			$ 99	$ 976
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	97,944	97,903	97,390	95,072	95,037	94,630	97,390	94,630
Beginning balance	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Issuance of common stock and release of treasury stock for employee equity awards (in shares)	306	41	406	309	35	407
Ending balance (in shares)	98,250	97,944	97,903	96,594	95,072	95,037	98,250	96,594
Ending balance	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Common Stock | ATM Program
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under ATM Program (in shares)			107	1,213
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ (30)	$ (32)	$ (39)	$ (48)	$ (50)	$ (56)	$ (39)	$ (56)
Treasury stock beginning balance (in shares)	(79)	(84)	(103)	(127)	(133)	(151)	(103)	(151)
Issuance of common stock and release of treasury stock for employee equity awards (in shares)	16	5	19	21	6	18
Issuance of common stock and release of treasury stock for employee equity awards	$ 6	$ 2	$ 7	$ 8	$ 2	$ 6
Ending balance	$ (24)	$ (30)	$ (32)	$ (40)	$ (48)	$ (50)	$ (24)	$ (40)
Treasury stock ending balance (in shares)	(63)	(79)	(84)	(106)	(127)	(133)	(63)	(106)
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 21,324	$ 21,186	$ 20,895	$ 18,915	$ 18,779	$ 18,596	$ 20,895	$ 18,596
Issuance of common stock and release of treasury stock for employee equity awards	38		42	36		42
Stock-based compensation, net of estimated forfeitures	139	138	150	138	136	141
Contribution from non-controlling interest	2			4
Ending balance	21,503	21,324	21,186	20,069	18,915	18,779	21,503	20,069
Additional Paid-in Capital | ATM Program
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under ATM Program			99	976
Accumulated Dividends
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(11,271)	(10,798)	(10,342)	(9,514)	(9,097)	(8,695)	(10,342)	(8,695)
Dividend distribution on common stock	(459)	(459)	(457)	(405)	(405)	(402)
Settlement of accrued dividends on vested equity awards	(1)		(1)	(1)		(1)
Accrued dividends on unvested equity awards	(6)	(14)	2	(1)	(12)	1
Ending balance	(11,737)	(11,271)	(10,798)	(9,921)	(9,514)	(9,097)	(11,737)	(9,921)
AOCI (Loss)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,399)	(1,559)	(1,735)	(1,541)	(1,498)	(1,290)	(1,735)	(1,290)
Other comprehensive income (loss)	(20)	160	176	258	(43)	(208)	316
Ending balance	(1,419)	(1,399)	(1,559)	(1,283)	(1,541)	(1,498)	(1,419)	(1,283)
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	5,460	5,092	4,749	4,466	4,165	3,934	4,749	3,934
Net income (loss)	374	368	343	297	301	231
Ending balance	5,834	5,460	5,092	4,763	4,466	4,165	5,834	4,763
Non-controlling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(2)	(1)	(1)	0	0	0	(1)	0
Net income (loss)	0	(1)		(1)
Ending balance	$ (2)	$ (2)	$ (1)	$ (1)	$ 0	$ 0	$ (2)	$ (1)