Borrowing Arrangements - Narrative (Details)	1 Months Ended
	Jun. 30, 2025 USD ($)	May 31, 2025 USD ($) qtr	Oct. 31, 2021 USD ($)	Jan. 31, 2020 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2015	Jul. 31, 2025 USD ($)
Senior Notes
Debt Instrument [Line Items]
Debt redemption percentage of principle amount						101.00%
2025 Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate Principal Amount	$ 500,000,000						$ 500,000,000
Stated interest rate	5.30%
Unamortized discount	$ 1,000,000
Debt issuance costs	5,000,000
Proceeds from debt, net of issuance costs	$ 494,000,000
4.375% Senior Notes Due 2025 | Senior Notes
Debt Instrument [Line Items]
Stated interest rate	4.375%
Repayments of debt	$ 300,000,000
2021 Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate Principal Amount			$ 1,000,000,000.0				1,000,000,000
Stated interest rate			2.40%
Unamortized discount			$ 3,000,000
Debt issuance costs			9,000,000
Proceeds from debt, net of issuance costs			$ 988,000,000
2020 Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate Principal Amount				$ 500,000,000			500,000,000
Stated interest rate				2.85%
Unamortized discount				$ 1,000,000
Debt issuance costs				5,000,000
Proceeds from debt, net of issuance costs				494,000,000
Debt Due June 15, 2020 | Senior Notes
Debt Instrument [Line Items]
Repayments of debt				$ 450,000,000
2017 Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate Principal Amount					$ 500,000,000		500,000,000
Stated interest rate					3.50%
Unamortized discount					$ 3,000,000
Debt issuance costs					5,000,000
Proceeds from debt, net of issuance costs					492,000,000
Senior Notes Due December 15, 2017 | Senior Notes
Debt Instrument [Line Items]
Repayments of debt					$ 400,000,000
Revolving Credit Facility | 2025 Credit Agreement
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 1,500,000,000
Line of credit facility, increase limit		$ 2,000,000,000
Debt covenant, leverage ratio (no greater than)		3.50
Debt covenant, leverage ration following consummation of certain acquisitions (up to)		4.00
Debt covenant, leverage ration following consummation of certain acquisitions, number of consecutive quarters | qtr		4
Line of credit facility, outstanding borrowings							$ 0
Revolving Credit Facility | 2025 Credit Agreement | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.575%
Commitment fee percentage		0.05%
Revolving Credit Facility | 2025 Credit Agreement | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
Commitment fee percentage		0.125%