CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Millions	Common Stock and Additional Paid-In Capital	Net Parent Investment	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Accumulated Deficit	Common Stock	Non-Controlling Interests	Total
Balance at the beginning of the period at Mar. 31, 2021		$ 6,027	$ (1,182)				$ 57	$ 4,902
Equity
Net income (loss)		(1,434)			$ (375)			(1,810)
Other comprehensive income (loss), net of tax			375					375
Common stock issued under employee plans	$ 13							13
Common stock issued under employee plans (in shares)						100,000
Purchases of treasury stock				$ (1)				(1)
Purchases of treasury stock (in shares)						0.0
Changes in non-controlling interests							(55)	(55)
Issuance of common stock and reclassification of net transfers from Parent	4,271	(4,593)	(338)					(660)
Issuance of common stock and reclassification of net transfers from parent (in shares)						224,100,000
Balance at the end of the period at Dec. 31, 2021	$ 4,284		(1,143)	(1)	(375)		3	2,767
Balance at the end of the period (in shares) at Dec. 31, 2021	224,200,000					224.2
Balance at the beginning of the period at Sep. 30, 2021		7,102	(1,614)				51	5,539
Equity
Net income (loss)		(355)			(375)			(731)
Other comprehensive income (loss), net of tax			470					470
Common stock issued under employee plans	$ 13							13
Common stock issued under employee plans (in shares)	100,000
Purchases of treasury stock				(1)				(1)
Purchases of treasury stock (in shares)	0.0
Changes in non-controlling interests							(49)	(49)
Issuance of common stock and reclassification of net transfers from Parent	$ 4,271	$ (6,747)						(2,476)
Issuance of common stock and reclassification of net transfers from parent (in shares)	224,100,000
Balance at the end of the period at Dec. 31, 2021	$ 4,284		(1,143)	(1)	(375)		3	2,767
Balance at the end of the period (in shares) at Dec. 31, 2021	224,200,000					224.2
Balance at the beginning of the period at Mar. 31, 2022	$ 4,315		(1,089)	(4)	(605)		94	2,711
Balance at the beginning of the period (in shares) at Mar. 31, 2022	224,500,000
Equity
Net income (loss)					(637)			(637)
Other comprehensive income (loss), net of tax			(214)					(214)
Common stock issued under employee plans	$ 81							81
Common stock issued under employee plans (in shares)	4,500,000
Purchases of treasury stock				(17)				(17)
Purchases of treasury stock (in shares)	(1,500,000)
Changes in non-controlling interests							5	5
Balance at the end of the period at Dec. 31, 2022	$ 4,397		(1,303)	(21)	(1,241)		99	1,930
Balance at the end of the period (in shares) at Dec. 31, 2022	227,500,000
Balance at the beginning of the period at Sep. 30, 2022	$ 4,370		(1,567)	(17)	(1,136)		96	1,746
Balance at the beginning of the period (in shares) at Sep. 30, 2022	226,800,000
Equity
Net income (loss)					(106)			(106)
Other comprehensive income (loss), net of tax			265					265
Common stock issued under employee plans	$ 27							27
Common stock issued under employee plans (in shares)	1,100,000
Purchases of treasury stock				(4)				(4)
Purchases of treasury stock (in shares)	(400,000)
Changes in non-controlling interests							2	2
Balance at the end of the period at Dec. 31, 2022	$ 4,397		$ (1,303)	$ (21)	$ (1,241)		$ 99	$ 1,930
Balance at the end of the period (in shares) at Dec. 31, 2022	227,500,000