Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value [Abstract]

Carrying Values and Fair Values of Debt Instruments

	Carrying Value at				Fair Value (a) at
	June 30,		December 31,		June 30,		December 31,
	2022		2021		2022		2021
4.25% Senior Notes due 2028	$	500,000	$	500,000	$	505,500	$	561,350
3.50% Senior Notes due 2029	$	500,000	$	500,000	$	470,200	$	539,500
2.60% Senior Notes due 2030	$	600,000	$	600,000	$	524,820	$	610,440
2.20% Senior Notes due 2032	$	650,000	$	650,000	$	532,675	$	637,065
3.20% Senior Notes due 2032	$	500,000	$	—	$	444,200	$	—
3.05% Senior Notes due 2050	$	500,000	$	500,000	$	366,200	$	496,350
2.95% Senior Notes due 2052	$	850,000	$	850,000	$	608,855	$	828,580

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*Senior Notes are classified as Level 2 within the fair value hierarchy. Fair value inputs include third-party calculations of the market interest rate of notes with similar ratings in similar industries over the remaining note terms.