CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Notes and accounts receivable - trade, allowances	$ 116	$ 114
Short-term financing receivables held for investment, allowances	104	109
Other accounts receivable, allowances	38	31
Long-term financing receivables, allowances	$ 26	$ 19
Common stock, par value (in dollars per share)	$ 0.20	$ 0.20
Common stock, shares authorized (in shares)	4,687,500,000	4,687,500,000
Common stock, shares issued (in shares)	2,288,396,487	2,279,164,313
Treasury stock, shares (in shares)	1,353,661,281	1,352,874,243