Debt - Narrative (Details)			1 Months Ended		3 Months Ended
	Nov. 01, 2024 USD ($)	Feb. 05, 2024 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2020 USD ($)	Oct. 31, 2025 USD ($)	Jul. 31, 2025 USD ($)
Debt Instrument [Line Items]
Net carrying value of debt					$ 6,140,000,000	$ 5,973,000,000
Line of Credit | Revolving Credit Facility | Subsidiary
Debt Instrument [Line Items]
Secured revolving credit facilities					1,180,000,000	1,014,000,000
The Senior Unsecured Notes | Senior Unsecured Notes
Debt Instrument [Line Items]
Proceeds from issuance				$ 1,980,000,000
Unamortized discount				2,000,000
Debt issuance costs				$ 15,000,000
Net carrying value of debt					1,000,000,000
Redemption price				101.00%
The 2023 Senior Unsecured Notes | Senior Unsecured Notes
Debt Instrument [Line Items]
Proceeds from issuance			$ 3,960,000,000
Unamortized discount			20,000,000
Debt issuance costs			$ 24,000,000
Net carrying value of debt					4,000,000,000
2024 Credit Facility | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Net carrying value of debt					0
Line of credit, maximum borrowing capacity		$ 1,500,000,000
Option to increase credit amount		$ 1,000,000,000
Term of option to extend credit agreement		1 year
Restrictive covenant, ratio of total gross debt to EBIDTA		4.00
2024 Credit Facility | Line of Credit | Revolving Credit Facility | Minimum
Debt Instrument [Line Items]
Commitment fee, percent		0.05%
2024 Credit Facility | Line of Credit | Revolving Credit Facility | Maximum
Debt Instrument [Line Items]
Commitment fee, percent		0.125%
2024 Credit Facility | Line of Credit | Revolving Credit Facility | Base Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.00%
2024 Credit Facility | Line of Credit | Revolving Credit Facility | Base Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		0.125%
2024 Credit Facility | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.70%
2024 Credit Facility | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.125%
2024 Credit Facility | Line of Credit | Revolving Credit Facility | Interest Benchmark for Relevant Currency | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate		0.70%
2024 Credit Facility | Line of Credit | Revolving Credit Facility | Interest Benchmark for Relevant Currency | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate		1.125%
2024 Credit Facility | Line of Credit | Swingline Loans
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity		$ 500,000,000
2024 Credit Facility | Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity		$ 250,000,000
Secured Revolving Credit Facility, 2019 | Line of Credit | Revolving Credit Facility | Subsidiary
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity					500,000,000
Line of credit, current borrowing capacity					300,000,000
Line of credit, remaining borrowing capacity					200,000,000
Secured revolving credit facilities					$ 480,000,000
Interest rate at period end					5.57%
Secured Revolving Credit Facility, 2019 | Line of Credit | Revolving Credit Facility | Minimum | Subsidiary
Debt Instrument [Line Items]
Interest rate on unused portion of line of credit					0.25%
Secured Revolving Credit Facility, 2019 | Line of Credit | Revolving Credit Facility | Maximum | Subsidiary
Debt Instrument [Line Items]
Interest rate on unused portion of line of credit					0.75%
Secured Revolving Credit Facility, 2019 | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Subsidiary
Debt Instrument [Line Items]
Basis spread on variable rate					1.25%
Secured Revolving Credit Facility, 2022 | Line of Credit | Revolving Credit Facility | Subsidiary
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity					$ 500,000,000
Line of credit, current borrowing capacity					400,000,000
Line of credit, remaining borrowing capacity					100,000,000
Secured revolving credit facilities					$ 400,000,000
Interest rate at period end					5.32%
Secured Revolving Credit Facility, 2022 | Line of Credit | Revolving Credit Facility | Minimum | Subsidiary
Debt Instrument [Line Items]
Interest rate on unused portion of line of credit					0.20%
Secured Revolving Credit Facility, 2022 | Line of Credit | Revolving Credit Facility | Maximum | Subsidiary
Debt Instrument [Line Items]
Interest rate on unused portion of line of credit					0.40%
Secured Revolving Credit Facility, 2022 | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Subsidiary
Debt Instrument [Line Items]
Basis spread on variable rate					1.10%
Secured Revolving Credit Facility, 2024 | Line of Credit | Revolving Credit Facility | Subsidiary
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity	$ 300,000,000
Secured revolving credit facilities					$ 300,000,000
Interest rate at period end					5.37%
Secured Revolving Credit Facility, 2024 | Line of Credit | Revolving Credit Facility | Minimum | Subsidiary
Debt Instrument [Line Items]
Interest rate on unused portion of line of credit	0.20%
Secured Revolving Credit Facility, 2024 | Line of Credit | Revolving Credit Facility | Maximum | Subsidiary
Debt Instrument [Line Items]
Interest rate on unused portion of line of credit	0.40%
Secured Revolving Credit Facility, 2024 | Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) | Subsidiary
Debt Instrument [Line Items]
Basis spread on variable rate	1.15%
Commercial Paper Program | Line of Credit
Debt Instrument [Line Items]
Commercial paper					$ 0	$ 0
Commercial Paper Program | Line of Credit | Commercial Paper
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity					$ 1,500,000,000
Debt instrument, term					397 days