Earnings Per Share - Schedule of Computation of Basic Earnings Per Share, Assuming Dilution (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator:
Net Earnings	$ 694	$ 829	$ 646	$ 894	$ 963	$ 880	$ 2,169	$ 2,737
Denominator:
Average Common Shares Outstanding (in shares)	1,864			1,936			1,874	1,946
Other Potentially Dilutive Common Shares (in shares)	3			4			2	4
Average Common Shares Outstanding, Assuming Dilution (in shares)	1,867			1,940			1,876	1,950
Net Earnings Per Share, Basic (in dollars per share)	$ 0.37			$ 0.46			$ 1.16	$ 1.41
Net Earnings Per Share, Assuming Dilution (in dollars per share)	$ 0.37			$ 0.46			$ 1.16	$ 1.40