Employee Benefit Plans - Employee Stock Purchase Plan and Valuation Assumptions (Details) - $ / shares shares in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
ESPP Purchase Rights
Estimates of Fair Value
Volatility	28.00%	29.00%	32.00%
Risk-free interest rate	4.60%	1.10%	0.10%
Expected life (years)	1 year 3 months 18 days	1 year 3 months 18 days	1 year 3 months 18 days
Dividend yield	2.80%	2.50%	3.00%
Weighted-average fair value per share (in dollars per share)	$ 7.97	$ 8.84	$ 6.96
Market-based RSUs
Estimates of Fair Value
Volatility	28.00%	30.00%	30.00%
Risk-free interest rate	4.30%	1.70%	0.20%
Dividend yield	2.80%	2.50%	3.40%
Weighted-average fair value per share (in dollars per share)	$ 37.45	$ 47.96	$ 30.70
Employee Stock Purchase Plan 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares purchased through ESPP (in shares)	2.6	2.6	2.8
Average exercise price of shares purchased through ESPP (in dollars per share)	$ 23.53	$ 21.59	$ 19.81