Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	7,100
Shares reserved for issuance (in shares)	4,300
Number of years over which equity awards vest	1 year
Number of years over which equity awards expire	10 years
Share-based compensation, net of tax	$ 240	$ 219	$ 209
Unrecognized compensation cost	$ 349
Period over which unrecognized compensation costs are expected to be recognized (years)	1 year 9 months 18 days
Number of options outstanding (in shares)	0	0	0
Number of options exercised (in shares)	0	0	0
Realized tax benefits from stock-based compensation activities	$ 70	$ 67	$ 78
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of years over which equity awards vest	1 year
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of years over which equity awards vest	3 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of years over which equity awards vest	3 years
Number of stock, granted (in shares)	982
Average grant date fair value per unit (in dollars per share)	$ 437.95
Restricted Stock Units (RSUs) | Certain Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock, granted (in shares)	900
Average grant date fair value per unit (in dollars per share)	$ 437.95
Restricted Stock Units (RSUs) | Minimum | Certain Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of years over which equity awards vest	1 year
Restricted Stock Units (RSUs) | Maximum | Certain Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of years over which equity awards vest	3 years
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash received from exercise of stock options	$ 0	0	0
Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of years over which equity awards vest	3 years
Number of stock, granted (in shares)	100
Performance Stock Units (PSUs) | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of shares that can be earned from stock awards, as a percentage of the target award	0.00%
Performance Stock Units (PSUs) | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of shares that can be earned from stock awards, as a percentage of the target award	200.00%
Performance Stock Units (PSUs) | Remaining Half Of PSUs Granted In Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average grant date fair value per unit (in dollars per share)	$ 439.42
Performance Stock Units (PSUs) | Remaining PSUs Granted In Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average grant date fair value per unit (in dollars per share)	$ 453.06
Unallocated items
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intangible asset amortization expense	$ 304	$ 277	$ 265