Income Taxes - Effective Income Tax Rate (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory income tax rate	21.00%	21.00%	21.00%
U.S. state and local income taxes, net of U.S. federal income tax benefits	2.10%	2.00%	2.20%
Domestic tax credits and tax exempt income	(0.60%)	(0.80%)	(1.60%)
Non-U.S. earnings	1.40%	1.70%	(0.80%)
Employee share-based awards	(0.60%)	(0.70%)	(1.10%)
Other	(0.20%)	(0.70%)	(1.40%)
Effective income tax rate	23.10%	22.50%	18.30%