Borrowing Arrangements - Narrative (Details)	1 Months Ended				9 Months Ended
	Oct. 31, 2021 USD ($)	Jan. 31, 2020 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2015 USD ($)	Oct. 31, 2023 USD ($)	Nov. 30, 2022 USD ($) qtr performance_indicator_metric
Senior Notes
Debt Instrument [Line Items]
Debt redemption price, percentage of principle amount					101.00%
2021 Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 1,000,000,000				$ 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 due in 2027 | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount			$ 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
2017 Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount					500,000,000
Repayments of debt			$ 400,000,000
2015 Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount				$ 300,000,000	300,000,000
Stated interest rate				4.375%
Unamortized discount				$ 1,000,000
Debt issuance costs				3,000,000
Proceeds from debt, net of issuance costs				$ 296,000,000
Revolving Credit Facility | The 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
Debt interest rates adjustment, number of key performance indicator metrics | performance_indicator_metric						2
Line of credit facility, outstanding borrowings					$ 0
Revolving Credit Facility | The Credit Agreement | Minimum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate					0.00%
Revolving Credit Facility | The Credit Agreement | Minimum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate					0.785%
Revolving Credit Facility | The Credit Agreement | Maximum | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate					0.375%
Revolving Credit Facility | The Credit Agreement | Maximum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate					1.375%