Stock-Based Compensation Schedule of Share Repurchases (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended						9 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Value	$ 325	$ 325	$ 320	$ 325	$ 325	$ 325	$ 970	$ 975
Stock Repurchased and Retired During Period, Shares	2.6			2.4			7.7	7.0
November 2020 Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Value	$ 5			$ 325			$ 650	$ 975
Stock Repurchased and Retired During Period, Shares	0.0			2.4			5.1	7.0
August 2022 Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Value	$ 320			$ 0			$ 320	$ 0
Stock Repurchased and Retired During Period, Shares	2.6			0.0			2.6	0.0