Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Stock-based compensation awards
Stock-based compensation expense, before tax (in dollars)	$ 44	$ 40
Risk-free interest rates, low end of range (as a percent)	3.92%	1.03%
Risk-free interest rates, high end of range (as a percent)	5.03%	2.00%
Rate of volatilities, Minimum	28.50%	25.30%
Rate of volatilities, Maximum	35.50%	36.80%
Assumptions used in determining the fair value of the stock-based awards
Weighted-average dividend yield (as a percent)	2.60%	2.60%
Weighted-average volatility (as a percent)	31.00%	31.70%
Rate of volatilities, Minimum	28.50%	25.30%
Rate of volatilities, Maximum	35.50%	36.80%
Risk-free interest rates, low end of range (as a percent)	3.92%	1.03%
Risk-free interest rates, high end of range (as a percent)	5.03%	2.00%
Weighted-average expected lives (in years)	7 years	8 years
Unrecognized compensation cost related to nonvested stock-based compensation awards (in dollars)	$ 305
Term of amortization of unrecognized compensation cost over weighted-average remaining requisite service periods (in years)	1 year 9 months 18 days
Stock Options
Stock-based compensation awards
Shares Granted (in shares)	777,275	1,029,202
Weighted-Average Fair Value Per Share (in dollars per share)	$ 75.79	$ 51.69
Weighted-Average Grant Date Stock Price (in dollars per share)	253.98	196.70
RSUs
Stock-based compensation awards
Weighted-Average Grant Date Stock Price (in dollars per share)	$ 253.98	$ 196.70
Shares Granted (in shares)	379,426	484,025
Weighted-Average Fair Value Per Share (in dollars per share)	$ 253.98	$ 196.70
PRSUs
Stock-based compensation awards
Weighted-Average Grant Date Stock Price (in dollars per share)	$ 253.98	$ 196.70
Shares Granted (in shares)	221,869	258,900
Weighted-Average Fair Value Per Share (in dollars per share)	$ 253.98	$ 196.70