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Financing Arrangements - Additional Information (Detail) $ in Millions |  | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
May 01, 2023 USD ($) Extension | Jul. 28, 2017 USD ($) | Jul. 26, 2024 USD ($) | Apr. 26, 2024 USD ($) | Jun. 30, 2020 USD ($) | Sep. 30, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Commercial paper notes |  |  | $ 0 | $ 0 |  |
Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Credit facility, amount | $ 1,000 |  |  |  |  |
Credit facility, maturity | Jan. 22, 2026 |  |  |  |  |
Credit facility, number of extensions | Extension | 2 |  |  |  |  |
Credit facility, extensions period | 1 year |  |  |  |  |
Credit facility, amounts drawn |  |  | 0 |  |  |
Revolving Credit Facility | Letter Of Credit Sub Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Credit facility, amount | $ 50 |  |  |  |  |
Commercial Paper | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued, principal amount |  | $ 1,000 |  |  |  |
Debt instrument maturity period |  | 397 days |  |  |  |
Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued, principal amount |  |  | 2,400 | 2,400 |  |
Senior Notes | Due September 2024 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued, principal amount |  |  | 400 | 400 |  | $ 400
Notes issued, interest rate |  |  |  |  |  | 3.30%
Senior Notes | Due June 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued, principal amount |  |  | 750 | 750 | $ 750 |
Notes issued, interest rate |  |  |  |  | 1.875% |
Senior Notes | Due June 2027 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued, principal amount |  |  | 550 | 550 | $ 550 |
Notes issued, interest rate |  |  |  |  | 2.375% |
Senior Notes | Due June 2030 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes issued, principal amount |  |  | $ 700 | $ 700 | $ 700 |
Notes issued, interest rate |  |  |  |  | 2.70% |

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