CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) shares in Millions, $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Statement of Financial Position [Abstract]
Notes and accounts receivable - trade, allowances	$ 115	$ 99
Short-term financing receivables held for investment, allowances	92	106
Other accounts receivable, allowances	29	37
Long-term financing receivables, allowances	$ 28	$ 34
Common stock, par value (in dollars per share)	$ 0.20	$ 0.20
Common stock, shares authorized (in shares)	4,688	4,688
Common stock, shares issued (in shares)	2,300	2,291
Treasury stock, shares (in shares)	1,355	1,354