Equity and Accumulated Other Comprehensive Earnings (Loss) - Equity Activity (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period	$ 3,837	$ 3,527
Balance at beginning of period (in shares)	367,551,366
Net earnings (loss)	$ 3,686	180
Other comprehensive earnings (loss), net of tax	23	42
Common dividends, net of tax benefits	(63)	(63)
Treasury stock purchases	(196)	(3)
Treasury shares re-issued	7	8
Shares issued and stock compensation for stock options and other stock plans, net of shares exchanged	40	8
Other activity	43	9
Balance at end of the period	$ 7,377	3,708
Balance at end of period (in shares)	370,544,422
Common Stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period	$ 1,312	$ 1,260
Balance at beginning of period (in shares)	683,241,000	682,144,000
Shares issued and stock compensation for stock options and other stock plans, net of shares exchanged	$ 40	$ 8
Shares issued and stock compensation for stock options and other stock plans, net of shares exchanged (in shares)	319,000	272,000
Balance at end of the period	$ 1,352	$ 1,268
Balance at end of the period (in shares)	683,560,000	682,416,000
Treasury Stock
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period	$ (4,390)	$ (4,429)
Balance at beginning of period (in shares)	(367,551,000)	(368,036,000)
Treasury stock purchases	$ (196)	$ (3)
Treasury stock purchases (in shares)	(3,065,000)	(39,000)
Treasury shares re-issued	$ 7	$ 8
Treasury shares re-issued (in shares)	72,000	146,000
Other activity	$ 42	$ 10
Balance at end of the period	$ (4,537)	$ (4,414)
Balance at end of period (in shares)	(370,544,000)	(367,929,000)
Retained Earnings
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period	$ 7,763	$ 7,309
Net earnings (loss)	3,685	177
Common dividends, net of tax benefits	(63)	(63)
Other activity	1	(1)
Balance at end of the period	11,386	7,422
Accumulated Other Comprehensive Earnings (Loss).
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period	(916)	(679)
Other comprehensive earnings (loss), net of tax	23
Other comprehensive earnings (loss), net of tax		42
Balance at end of the period	(893)	(637)
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity
Balance at beginning of the period	68	66
Net earnings (loss)	1	3
Balance at end of the period	$ 69	$ 69