Consolidated Statement of Financial Position (Parenthetical) - $ / shares	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, authorized (in shares)	2,000,000,000	2,000,000,000
Common stock, issued (in shares)	814,894,624	814,894,624
Treasury stock (in shares)	305,809,881	298,549,134