Restructuring, Impairment, and Related Charges, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Mar. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring, impairment, and related charges, net	$ 4	$ 31	$ 84	$ 84
Restructuring costs, anticipated total charges	4	$ 31	84	$ 84
Strategic Growth Initiative Plan - Operational Efficiencies and Cost Optimization
Restructuring Cost and Reserve [Line Items]
Expected total pre-tax charges						$ 125
Restructuring and related cost, incurred cost to date					$ 101
Restructuring costs, anticipated total charges	$ 2		$ 41