Stock Compensation - Additional Information (Details) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) shares
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Number of shares remaining available for future issuance (in shares) | shares	37
Future compensation not yet recognized in the Statements of Income | $	$ 271
Weighted average recognition period	1 year 8 months 12 days
Remaining stock repurchase authorizations | $	$ 10,100
Employee stock purchase plan
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Percent of the underlying common stock's market price participants pay for options (in hundredths)	85.00%
Number of shares remaining available for future issuance (in shares) | shares	33
ESPP option term (in months)	3 months
Long-term incentive and director compensation plans | Employee Stock Option
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Term of the long term incentive stock options	10 years
Award vesting period (in years)	4 years
Long-term incentive and director compensation plans | Restricted Stock Units (RSUs)
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Award vesting period (in years)	4 years