CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interest
Beginning balance at Dec. 31, 2022	$ 2,870	$ 3	$ 7,285	$ (1,707)	$ (643)	$ (2,068)
Increase (Decrease) in Stockholders' Equity
Activity related to employee stock plans	21		21
Changes related to cash flow derivative hedges	(32)				(32)
Change in defined benefit plans	4				4
Foreign currency translation adjustments	(7)				(7)
Purchase of treasury stock	(1)					(1)
Sale of noncontrolling interest	219		45				$ 174
Net Income (Loss)	(48)			(48)
Ending balance at Mar. 31, 2023	3,026	3	7,351	(1,755)	(678)	(2,069)	174
Beginning balance at Dec. 31, 2023	4,899	3	7,474	(10)	(674)	(2,069)	175
Increase (Decrease) in Stockholders' Equity
Activity related to employee stock plans	22		22
Changes related to cash flow derivative hedges	44				44
Change in defined benefit plans	9				9
Foreign currency translation adjustments	4				4
Purchase of treasury stock	(12)					(12)
Net Income attributable to noncontrolling interest	4						4
Dividends from noncontrolling interest	(5)						(5)
Net Income (Loss)	360			360
Ending balance at Mar. 31, 2024	$ 5,325	$ 3	$ 7,496	$ 350	$ (617)	$ (2,081)	$ 174