Senior Notes, Bridge Commitment Letter, Term Loan and Revolving Credit Facilities - Additional Information (Details) ¥ in Millions							1 Months Ended	3 Months Ended		12 Months Ended
	Dec. 17, 2025 USD ($)	Nov. 17, 2025 USD ($)	Oct. 17, 2025 USD ($)	Jul. 17, 2025 USD ($)	Mar. 17, 2025 USD ($)	Feb. 13, 2024 USD ($)	Jul. 31, 2018 USD ($)	Apr. 30, 2025	Jan. 31, 2025 USD ($)	Oct. 31, 2025 USD ($)	Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)	Oct. 03, 2024 USD ($)	Jul. 31, 2018 CNY (¥)
Debt Instrument [Line Items]
Proceeds from debt, net of issuance costs										$ 14,329,340,000	$ 0	$ 0
Total gross notional amounts										1,587,863,000	1,686,341,000
Repayments of debt										863,637,000	2,607,000	$ 2,603,000
Interest rate contracts | Cash Flow Hedging
Debt Instrument [Line Items]
Derivative maturity period									6 months
Total gross notional amounts									$ 2,000,000,000
Debt instrument, term								5 years 6 months
Interest rate contracts | Cash Flow Hedging | Minimum
Debt Instrument [Line Items]
Debt instrument, term									10 years
Interest rate contracts | Cash Flow Hedging | Maximum
Debt Instrument [Line Items]
Debt instrument, term									30 years
Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount					$ 10,000,000,000
Proceeds from debt, net of issuance costs					9,900,000,000
Unamortized discount and issuance costs					17,000,000
Debt issuance costs					$ 70,200,000
Redemption price, percentage					100.00%
Long-term debt, fair value										10,100,000,000
Senior Notes | Fixed-rate 4.550% Senior Notes due on April 1, 2027
Debt Instrument [Line Items]
Debt instrument, face amount					$ 1,000,000,000
Stated interest rate					4.55%
Senior Notes | Fixed-rate 4.650% Senior Notes due on April 1, 2028
Debt Instrument [Line Items]
Debt instrument, face amount					$ 1,000,000,000
Stated interest rate					4.65%
Senior Notes | Fixed-rate 4.850% Senior Notes due on April 1, 2030
Debt Instrument [Line Items]
Debt instrument, face amount					$ 2,000,000,000
Stated interest rate					4.85%
Senior Notes | Fixed-rate 5.000% Senior Notes due on April 1, 2032
Debt Instrument [Line Items]
Debt instrument, face amount					$ 1,500,000,000
Stated interest rate					5.00%
Senior Notes | Fixed-rate 5.150% Senior Notes due on April 1, 2035
Debt Instrument [Line Items]
Debt instrument, face amount					$ 2,400,000,000
Stated interest rate					5.15%
Senior Notes | Fixed-rate 5.700% Senior Notes due on April 1, 2055
Debt Instrument [Line Items]
Debt instrument, face amount					$ 2,100,000,000
Stated interest rate					5.70%
Line of Credit | Bridge Commitment | Bridge Loan
Debt Instrument [Line Items]
Decrease in credit facility maximum borrowing capacity				$ 690,000,000	$ 9,900,000,000								$ 1,100,000,000
Credit facility maximum borrowing capacity				0									$ 10,600,000,000
Line of Credit | Term Loan Agreement | Unsecured Debt
Debt Instrument [Line Items]
Amount borrowed				$ 4,300,000,000
Amount outstanding										3,450,000,000
Line of Credit | Term Loan due 2027 (Tranche 1) | Unsecured Debt
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity						$ 1,450,000,000
Repayments of debt			$ 850,000,000
Line of Credit | Term Loan due 2027 (Tranche 1) | Unsecured Debt | Subsequent Event
Debt Instrument [Line Items]
Repayments of debt		$ 600,000,000
Amount outstanding		0
Line of Credit | Term Loan due 2027 (Tranche 1) | Unsecured Debt | Minimum | SOFR
Debt Instrument [Line Items]
Borrowings, interest rate						0.875%
Line of Credit | Term Loan due 2027 (Tranche 1) | Unsecured Debt | Minimum | ABR
Debt Instrument [Line Items]
Borrowings, interest rate						0.00%
Line of Credit | Term Loan due 2027 (Tranche 1) | Unsecured Debt | Maximum | SOFR
Debt Instrument [Line Items]
Borrowings, interest rate						1.375%
Line of Credit | Term Loan due 2027 (Tranche 1) | Unsecured Debt | Maximum | ABR
Debt Instrument [Line Items]
Borrowings, interest rate						0.375%
Line of Credit | Term Loan due 2028 (Tranche 2) | Unsecured Debt
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity						$ 2,850,000,000
Line of Credit | Term Loan due 2028 (Tranche 2) | Unsecured Debt | Subsequent Event
Debt Instrument [Line Items]
Repayments of debt	$ 2,200,000,000	$ 300,000,000
Amount outstanding	$ 350,000,000
Line of Credit | Term Loan due 2028 (Tranche 2) | Unsecured Debt | Minimum | SOFR
Debt Instrument [Line Items]
Borrowings, interest rate						1.00%
Line of Credit | Term Loan due 2028 (Tranche 2) | Unsecured Debt | Minimum | ABR
Debt Instrument [Line Items]
Borrowings, interest rate						0.00%
Line of Credit | Term Loan due 2028 (Tranche 2) | Unsecured Debt | Maximum | SOFR
Debt Instrument [Line Items]
Borrowings, interest rate						1.50%
Line of Credit | Term Loan due 2028 (Tranche 2) | Unsecured Debt | Maximum | ABR
Debt Instrument [Line Items]
Borrowings, interest rate						0.50%
Line of Credit | Senior Unsecured Committed Multicurrency Revolving Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity						$ 850,000,000
Line of Credit | Unsecured Uncommitted Incremental Revolving Loan Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity						$ 150,000,000
Line of Credit | Revolving Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Amount outstanding										$ 0	$ 0
Line of Credit | Revolving Credit Agreement | Revolving Credit Facility | Minimum
Debt Instrument [Line Items]
Commitment fees percentage										0.08%
Line of Credit | Revolving Credit Agreement | Revolving Credit Facility | Minimum | SOFR
Debt Instrument [Line Items]
Borrowings, interest rate										0.795%
Line of Credit | Revolving Credit Agreement | Revolving Credit Facility | Minimum | ABR
Debt Instrument [Line Items]
Borrowings, interest rate										0.00%
Line of Credit | Revolving Credit Agreement | Revolving Credit Facility | Maximum
Debt Instrument [Line Items]
Commitment fees percentage										0.175%
Line of Credit | Revolving Credit Agreement | Revolving Credit Facility | Maximum | SOFR
Debt Instrument [Line Items]
Borrowings, interest rate										1.20%
Line of Credit | Revolving Credit Agreement | Revolving Credit Facility | Maximum | ABR
Debt Instrument [Line Items]
Borrowings, interest rate										0.20%
Foreign Line of Credit
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity							$ 33,000,000.0							¥ 220.0
Amount outstanding										$ 13,100,000
Borrowings, interest rate							0.74%
Debt instrument, term							12 years