Condensed Consolidated Statement of Equity - USD ($) shares in Millions, $ in Millions		Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Foreign Currency Adjustment Attributable to Parent [Member]		Dividends/Distributions in Excess of Earnings [Member]
Balance, shares Period Start at Dec. 31, 2020			431
Balance, value Period Start at Dec. 31, 2020		$ 9,461	$ 4	$ 17,933	$ (4)		$ (8,472)
Stock-based compensation related activity, net of forfeitures, value		86	$ 1	86
Purchases and retirement of common stock, value		(68)		(68)
Common stock dividends/distributions		(1,161)					1,161
Net income (loss)		393					393
Balance, shares Period End at Jun. 30, 2021			432
Balance, value Period End at Jun. 30, 2021		8,713	$ 4	17,951	(2)		(9,240)
Total other comprehensive income (loss)		2			2
Foreign currency translation adjustments		2
Balance, shares Period Start at Mar. 31, 2021			432
Balance, value Period Start at Mar. 31, 2021		8,923	$ 4	17,917	(3)		(8,995)
Stock-based compensation related activity, net of forfeitures, value		35	$ 0	35
Purchases and retirement of common stock, value		(1)		(1)
Common stock dividends/distributions	[1]	(579)					579
Net income (loss)		334					334
Balance, shares Period End at Jun. 30, 2021			432
Balance, value Period End at Jun. 30, 2021		8,713	$ 4	17,951	(2)		(9,240)
Total other comprehensive income (loss)	[2]				1
Foreign currency translation adjustments	[2]	$ 1
Balance, shares Period Start at Dec. 31, 2021		432	432
Balance, value Period Start at Dec. 31, 2021		$ 8,258	$ 4	18,011	(4)		(9,753)
Stock-based compensation related activity, net of forfeitures, value		102	$ 1	102
Purchases and retirement of common stock, value		(63)		(63)
Common stock dividends/distributions	[1]	(1,277)					1,277
Net income (loss)		$ 842					842
Balance, shares Period End at Jun. 30, 2022		433	433
Balance, value Period End at Jun. 30, 2022		$ 7,861	$ 4	18,050	(5)		(10,188)
Total other comprehensive income (loss)		(1)			(1)	[2]
Foreign currency translation adjustments	[2]	(1)
Balance, shares Period Start at Mar. 31, 2022			433
Balance, value Period Start at Mar. 31, 2022		8,036	$ 4	18,006	(3)		(9,971)
Stock-based compensation related activity, net of forfeitures, value		45		45
Purchases and retirement of common stock, value		(1)		(1)
Common stock dividends/distributions	[1]	(638)					638
Net income (loss)		$ 421					421
Balance, shares Period End at Jun. 30, 2022		433	433
Balance, value Period End at Jun. 30, 2022		$ 7,861	$ 4	$ 18,050	(5)		$ (10,188)
Total other comprehensive income (loss)		(2)			$ (2)	[2]
Foreign currency translation adjustments	[2]	$ (2)

[1] See note 7 for information regarding common dividends declared per share.

[2] See the condensed consolidated statement of operations and other comprehensive income (loss) for the components of other comprehensive income (loss).