UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Cumulative effect of adoption of accounting standards update	Common Stock	Treasury Stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative effect of adoption of accounting standards update	Retained Earnings	Retained Earnings Cumulative effect of adoption of accounting standards update	Accumulated Other Comprehensive Loss
Balance (in shares) at Dec. 31, 2021			63,584	(22,518)
Balance at Dec. 31, 2021	$ 6,178	$ (66)	$ 0	$ (24,290)	$ 6,159	$ (96)	$ 24,453	$ 30	$ (144)
Increase (Decrease) in Stockholders' Equity
Net income	157						157
Foreign currency translation adjustments, net of tax	(108)								(108)
Net unrealized gains on available-for-sale securities, net of tax	0
Exercise of stock options and vesting of restricted stock units and performance share units (in shares)			182
Exercise of stock options and vesting of restricted stock units and performance share units	$ 5		$ 0		5
Repurchase of common stock (in shares)	(1,100)			(1,100)
Repurchase of common stock	$ (2,374)			$ (2,374)
Stock-based compensation and other stock-based payments	210				210
Balance (in shares) at Jun. 30, 2022			63,766	(23,618)
Balance at Jun. 30, 2022	4,002		$ 0	$ (26,664)	6,278		24,640		(252)
Balance (in shares) at Mar. 31, 2022			63,759	(23,005)
Balance at Mar. 31, 2022	4,373		$ 0	$ (25,390)	6,163		23,783		(183)
Increase (Decrease) in Stockholders' Equity
Net income	857						857
Foreign currency translation adjustments, net of tax	(70)								(70)
Net unrealized gains on available-for-sale securities, net of tax	1								1
Exercise of stock options and vesting of restricted stock units and performance share units (in shares)			7
Exercise of stock options and vesting of restricted stock units and performance share units	$ 2		$ 0		2
Repurchase of common stock (in shares)	(613)			(613)
Repurchase of common stock	$ (1,274)			$ (1,274)
Stock-based compensation and other stock-based payments	113				113
Balance (in shares) at Jun. 30, 2022			63,766	(23,618)
Balance at Jun. 30, 2022	4,002		$ 0	$ (26,664)	6,278		24,640		(252)
Balance (in shares) at Dec. 31, 2022			63,781	(25,918)
Balance at Dec. 31, 2022	2,782		$ 0	$ (30,983)	6,491		27,541		(267)
Increase (Decrease) in Stockholders' Equity
Net income	1,556						1,556
Foreign currency translation adjustments, net of tax	(26)								(26)
Net unrealized gains on available-for-sale securities, net of tax	2								2
Exercise of stock options and vesting of restricted stock units and performance share units (in shares)			234
Exercise of stock options and vesting of restricted stock units and performance share units	$ 109		$ 0		109
Repurchase of common stock (in shares)	(2,056)			(2,056)
Repurchase of common stock	$ (5,336)			$ (5,336)
Stock-based compensation and other stock-based payments	248				248
Balance (in shares) at Jun. 30, 2023			64,015	(27,974)
Balance at Jun. 30, 2023	(665)		$ 0	$ (36,319)	6,848		29,097		(291)
Balance (in shares) at Mar. 31, 2023			64,008	(26,796)
Balance at Mar. 31, 2023	1,074		$ 0	$ (33,178)	6,712		27,807		(267)
Increase (Decrease) in Stockholders' Equity
Net income	1,290						1,290
Foreign currency translation adjustments, net of tax	(24)								(24)
Net unrealized gains on available-for-sale securities, net of tax	0
Exercise of stock options and vesting of restricted stock units and performance share units (in shares)			7
Exercise of stock options and vesting of restricted stock units and performance share units	$ 4		$ 0		4
Repurchase of common stock (in shares)	(1,178)			(1,178)
Repurchase of common stock	$ (3,141)			$ (3,141)
Stock-based compensation and other stock-based payments	132				132
Balance (in shares) at Jun. 30, 2023			64,015	(27,974)
Balance at Jun. 30, 2023	$ (665)		$ 0	$ (36,319)	$ 6,848		$ 29,097		$ (291)