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Share-Based Compensation Plans - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares collectively authorized for future grants under share-based compensation plans (in shares)	75,000,000
Pretax share-based compensation cost recorded, related to continuing operations	$ 761	$ 645	$ 541
Income tax benefits related to share-based compensation	$ 117	$ 96	$ 78
Weighted average exercise price of options granted (in dollars per share)	$ 129.22	$ 117.89	$ 87.10
Total pre tax unrecognized compensation expense related to nonvested stock options, RSU and PSU awards	$ 1,100
Weighted average period in years of recognition for nonvested stock options, RSU and PSU awards	1 year 10 months 24 days
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quantity of stock options that vest per year	33.33%
Period over which share-based payment awards vest	3 years
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period over which share-based payment awards vest	3 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quantity of stock options that vest per year	33.33%
Period over which share-based payment awards vest	3 years
Minimum \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term of options	7 years
Maximum \| Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term of options	10 years