Consolidated Balance Sheet (parenthetical) - USD ($) $ in Millions	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Financing Receivable, Allowance for Credit Loss	$ (763)	$ (845)	$ (925)	$ (1,061)	$ (1,223)	$ (1,305)