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Debt - Summary of Debt (Parenthetical) (Details) - USD ($) $ in Millions						12 Months Ended
	Sep. 21, 2021	Nov. 21, 2019	Dec. 13, 2017	Sep. 05, 2014	Oct. 22, 2013	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2022	Oct. 31, 2021	Oct. 08, 2021
Revolving Credit Facility, due August 2021 \| Line of Credit
Debt Instrument [Line Items]
Credit facility, expiration date								Aug. 21, 2021
3.65% Senior Notes, due September 2024
Debt Instrument [Line Items]
Stated interest rate										4.50%
3.65% Senior Notes, due September 2024 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.50%					3.65%			3.65%		4.50%
Senior notes, discount						$ 0.4			$ 0.2		$ 0.5
Debt instrument, maturity date	Nov. 01, 2023				Nov. 01, 2023	Nov. 01, 2023	Nov. 01, 2023
3.40% Senior Notes, due December 2027 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate				3.65%		3.40%			3.40%
Senior notes, discount						$ 1.0			$ 0.9
Debt instrument, maturity date				Sep. 15, 2024		Sep. 15, 2024	Sep. 15, 2024
3.00% Senior Notes, due December 2029 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate		3.00%	3.40%			3.00%			3.00%
Senior notes, discount						$ 0.5			$ 0.5
Debt instrument, maturity date		Dec. 15, 2029	Dec. 15, 2027			Dec. 15, 2027	Dec. 15, 2027
4.05% Senior Notes, due December 2049 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate						4.05%			4.05%
Senior notes, discount						$ 3.4			$ 3.3
Debt instrument, maturity date						Dec. 15, 2029	Dec. 15, 2029
4.05% Senior Notes, due December 2049 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate		4.05%
Debt instrument, maturity date		Dec. 15, 2049				Dec. 15, 2049	Dec. 15, 2049
3.05% Senior Notes, due October 2051 \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate	3.05%					3.05%			3.05%
Senior notes, discount						$ 3.7			$ 3.6
Debt instrument, maturity date	Dec. 31, 2051