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v3.22.1

Financing Arrangements - Additional Information (Detail) |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 22, 2021 USD ($) Extension | Jul. 17, 2017 | Apr. 29, 2022 USD ($) | Apr. 30, 2021 USD ($) | Apr. 24, 2020 USD ($) | Jun. 30, 2020 USD ($) | Jul. 31, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuances of debt, net of issuance costs |  |  | $ 0 | $ 2,057,000,000 | $ 111,000,000 |  |
Commercial paper notes |  |  | 0 | 0 |  |  |
Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Credit facility, amount | $ 1,000,000,000.0 |  |  |  |  |  |
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 | $ 50,000,000 |  |  |  |  |  |
Commercial Paper |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Issuances of debt, net of issuance costs |  |  |  | 75,000,000 |  |  |
Proceeds from repayments of debt |  |  |  | 176,000,000 |  |  |
Commercial Paper | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notes issued, principal amount |  |  |  |  |  |  | $ 1,000,000,000.0
Debt instrument maturity period |  | 397 days |  |  |  |  |
Senior Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notes issued, principal amount |  |  | 2,650,000,000 | 2,650,000,000 |  |  |
Senior Notes | June 2027 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notes issued, principal amount |  |  | 550,000,000 | 550,000,000 |  | $ 550,000,000 |
Notes issued, interest rate |  |  |  |  |  | 2.375% |
Senior Notes | June 2030 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notes issued, principal amount |  |  | 700,000,000 | 700,000,000 |  | $ 700,000,000 |
Notes issued, interest rate |  |  |  |  |  | 2.70% |
Senior Notes | Due June 2025 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notes issued, principal amount |  |  | 750,000,000 | 750,000,000 |  | $ 750,000,000 |
Notes issued, interest rate |  |  |  |  |  | 1.875% |
Senior Notes | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notes issued, principal amount |  |  | $ 250,000,000 | 250,000,000 |  |  |
Notes issued, interest rate |  |  | 3.25% |  |  |  |
Senior Notes | Due September 2024 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Notes issued, principal amount |  |  | $ 400,000,000 | $ 400,000,000 |  |  |
Notes issued, interest rate |  |  | 3.30% |  |  |  |

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