Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Allowance for credit losses	$ 141	$ 131
Total current assets of variable interest entities	70	65
Total intangibles and other assets of variable interest entities	94	112
Total current liabilities of variable interest entities	48	50
Total liabilities of variable interest entities	$ 115	$ 137
Common stock, par value (per share)	$ 0.01	$ 0.01
Common stock, authorized shares	10,000,000,000	10,000,000,000
Common stock, outstanding shares	247,793,154	253,488,288
Treasury stock, shares	87,703,143	80,807,049