CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Common stock, beginning balance (in shares) at Dec. 31, 2021		1,208,000,000
Treasury stock, beginning balance (in shares) at Dec. 31, 2021			(429,000,000)
Beginning balance at Dec. 31, 2021	$ 17,599	$ 0	$ (5,563)	$ 11,715	$ 12,025	$ (578)
Components of comprehensive income:
Net income	395				395
Other comprehensive income (loss)	(8)					(8)
Issuance of common stock pursuant to employee stock options (in shares)		0
Issuance of common stock pursuant to employee stock options	15			15
Issuance of common stock pursuant to restricted stock units (in shares)		4,000,000
Issuance of common stock pursuant to restricted stock units	0
Restricted stock surrendered for employees' tax liability (in shares)		(2,000,000)
Restricted stock surrendered for employees’ tax liability	(131)			(131)
Settlement of liability-classified awards in restricted stock units	204			204
Share-based compensation expense related to employee stock options and restricted stock units	124			124
Dividends	(367)				(367)
Common stock, ending balance (in shares) at Mar. 31, 2022		1,210,000,000
Treasury stock, ending balance (in shares) at Mar. 31, 2022			(429,000,000)
Ending balance at Mar. 31, 2022	17,831	$ 0	$ (5,563)	11,927	12,053	(586)
Common stock, beginning balance (in shares) at Dec. 31, 2021		1,208,000,000
Treasury stock, beginning balance (in shares) at Dec. 31, 2021			(429,000,000)
Beginning balance at Dec. 31, 2021	17,599	$ 0	$ (5,563)	11,715	12,025	(578)
Components of comprehensive income:
Net income	675
Other comprehensive income (loss)	(13)
Common stock, ending balance (in shares) at Jun. 30, 2022		1,211,000,000
Treasury stock, ending balance (in shares) at Jun. 30, 2022			(429,000,000)
Ending balance at Jun. 30, 2022	18,248	$ 0	$ (5,563)	12,069	12,333	(591)
Common stock, beginning balance (in shares) at Mar. 31, 2022		1,210,000,000
Treasury stock, beginning balance (in shares) at Mar. 31, 2022			(429,000,000)
Beginning balance at Mar. 31, 2022	17,831	$ 0	$ (5,563)	11,927	12,053	(586)
Components of comprehensive income:
Net income	280				280
Other comprehensive income (loss)	(5)					(5)
Issuance of common stock pursuant to employee stock options (in shares)		1,000,000
Issuance of common stock pursuant to employee stock options	22			22
Restricted stock surrendered for employees’ tax liability	(9)			(9)
Share-based compensation expense related to employee stock options and restricted stock units	129			129
Common stock, ending balance (in shares) at Jun. 30, 2022		1,211,000,000
Treasury stock, ending balance (in shares) at Jun. 30, 2022			(429,000,000)
Ending balance at Jun. 30, 2022	$ 18,248	$ 0	$ (5,563)	12,069	12,333	(591)
Common stock, beginning balance (in shares) at Dec. 31, 2022		1,213,000,000
Treasury stock, beginning balance (in shares) at Dec. 31, 2022	(428,676,471)		(429,000,000)
Beginning balance at Dec. 31, 2022	$ 19,243	$ 0	$ (5,563)	12,260	13,171	(625)
Components of comprehensive income:
Net income	740				740
Other comprehensive income (loss)	(4)					(4)
Issuance of common stock pursuant to employee stock options (in shares)		0
Issuance of common stock pursuant to employee stock options	14			14
Issuance of common stock pursuant to restricted stock units (in shares)		3,000,000
Issuance of common stock pursuant to restricted stock units	0
Restricted stock surrendered for employees' tax liability (in shares)		(1,000,000)
Restricted stock surrendered for employees’ tax liability	(92)			(92)
Settlement of liability-classified awards in restricted stock units	93			93
Share-based compensation expense related to employee stock options and restricted stock units	121			121
Common stock, ending balance (in shares) at Mar. 31, 2023		1,215,000,000
Treasury stock, ending balance (in shares) at Mar. 31, 2023			(429,000,000)
Ending balance at Mar. 31, 2023	$ 20,115	$ 0	$ (5,563)	12,396	13,911	(629)
Common stock, beginning balance (in shares) at Dec. 31, 2022		1,213,000,000
Treasury stock, beginning balance (in shares) at Dec. 31, 2022	(428,676,471)		(429,000,000)
Beginning balance at Dec. 31, 2022	$ 19,243	$ 0	$ (5,563)	12,260	13,171	(625)
Components of comprehensive income:
Net income	1,328
Other comprehensive income (loss)	$ (6)
Common stock, ending balance (in shares) at Jun. 30, 2023		1,215,000,000
Treasury stock, ending balance (in shares) at Jun. 30, 2023	(428,676,471)		(429,000,000)
Ending balance at Jun. 30, 2023	$ 20,793	$ 0	$ (5,563)	12,489	14,498	(631)
Common stock, beginning balance (in shares) at Mar. 31, 2023		1,215,000,000
Treasury stock, beginning balance (in shares) at Mar. 31, 2023			(429,000,000)
Beginning balance at Mar. 31, 2023	20,115	$ 0	$ (5,563)	12,396	13,911	(629)
Components of comprehensive income:
Net income	587				587
Other comprehensive income (loss)	(2)					(2)
Issuance of common stock pursuant to employee stock options (in shares)		0
Issuance of common stock pursuant to employee stock options	11			11
Restricted stock surrendered for employees’ tax liability	(19)			(19)
Share-based compensation expense related to employee stock options and restricted stock units	$ 101			101
Common stock, ending balance (in shares) at Jun. 30, 2023		1,215,000,000
Treasury stock, ending balance (in shares) at Jun. 30, 2023	(428,676,471)		(429,000,000)
Ending balance at Jun. 30, 2023	$ 20,793	$ 0	$ (5,563)	$ 12,489	$ 14,498	$ (631)