CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	COMMON STOCK	ADDITIONAL PAID-IN CAPITAL	ACCUMULATED OTHER COMPREHENSIVE LOSS	ACCUMULATED DEFICIT
Balance at beginning of period at Dec. 31, 2021		$ 1,024	$ 18,972	$ (2,158)	$ (5,998)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock through incentive and benefit plans		9
Shares withheld to satisfy tax withholdings			(28)
Stock-based compensation			23
Dividends declared			(272)
Other			0
Other comprehensive income	$ 111			111
Net income	599				599
Balance at end of period at Mar. 31, 2022	$ 12,282	1,033	18,695	(2,047)	(5,399)
Increase (Decrease) in Stockholders' Equity
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.25
Balance at beginning of period at Dec. 31, 2022	$ 10,437	1,002	18,080	(1,099)	(7,546)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock through incentive and benefit plans		3
Shares withheld to satisfy tax withholdings			(4)
Stock-based compensation			14
Dividends declared			0
Other			4
Other comprehensive income	30			30
Net income	511				511
Balance at end of period at Mar. 31, 2023	$ 10,995	$ 1,005	$ 18,094	$ (1,069)	$ (7,035)
Increase (Decrease) in Stockholders' Equity
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0