Consolidated Statement of Changes in Member's Equity - USD ($) shares in Thousands, $ in Millions		Total	Common Stock [Member]	Additional Paid-in Capital	Foreign Currency Translation Adjustments	Retained Earnings [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other Comprehensive Income (Loss), Net of Tax					$ (4)
Balance, value at Dec. 31, 2020		$ 9,461	$ 4	$ 17,933		$ (8,472)
Balance, (in shares) at Dec. 31, 2020			431,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation related activity, net of forfeitures, value		148		148
Stock-based compensation related activity, net of forfeitures, shares			1,000
Purchases and retirement of capital stock, value		(70)		(70)
Other Comprehensive Income (Loss), Net of Tax		0
Dividends, Common Stock, Cash		(2,377)				(2,377)
Income (loss) from continuing operations		1,096				1,096
Balance, value at Dec. 31, 2021		8,258	$ 4	18,011		(9,753)
Balance, (in shares) at Dec. 31, 2021			432,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other Comprehensive Income (Loss), Net of Tax					(4)
Stock-based compensation related activity, net of forfeitures, value		170		170
Stock-based compensation related activity, net of forfeitures, shares			1,000
Purchases and retirement of capital stock, value		(65)		(65)
Other Comprehensive Income (Loss), Net of Tax	[1]	(1)			(1)
Dividends, Common Stock, Cash		(2,588)				(2,588)
Income (loss) from continuing operations		1,675				1,675
Balance, value at Dec. 31, 2022		$ 7,449	$ 4	18,116		(10,666)
Balance, (in shares) at Dec. 31, 2022		433,000	433,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other Comprehensive Income (Loss), Net of Tax		$ (5)			(5)
Stock-based compensation related activity, net of forfeitures, value		184		184
Stock-based compensation related activity, net of forfeitures, shares			1,000
Purchases and retirement of capital stock, value		(30)		(30)
Other Comprehensive Income (Loss), Net of Tax	[1]	1			1
Dividends, Common Stock, Cash		(2,725)				(2,725)
Income (loss) from continuing operations		1,502				1,502
Balance, value at Dec. 31, 2023		$ 6,381	$ 4	$ 18,270		$ (11,889)
Balance, (in shares) at Dec. 31, 2023		434,000	434,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accumulated other Comprehensive Income (Loss), Net of Tax		$ (4)			$ (4)

[1] See the consolidated statement of operations and comprehensive income (loss) for the components of "total other comprehensive income (loss)."