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v3.20.4

Financing - Schedule of Debt (Parenthetical) (Detail) | 6 Months Ended |
--- | --- | ---
Feb. 13, 2021 | Mar. 15, 2021
2.500% Senior Notes due April 2021, effective interest rate of 2.62% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 2.50% | 2.50%
Debt instrument maturity, month and year | 2021-04 |
Effective interest rate | 2.62% |
3.700% Senior Notes due April 2022, effective interest rate of 3.85% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 3.70% |
Debt instrument maturity, month and year | 2022-04 |
Effective interest rate | 3.85% |
2.875% Senior Notes due January 2023, effective interest rate of 3.21% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 2.875% |
Debt instrument maturity, month and year | 2023-01 |
Effective interest rate | 3.21% |
3.125% Senior Notes due July 2023, effective interest rate of 3.26% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 3.125% |
Debt instrument maturity, month and year | 2023-07 |
Effective interest rate | 3.26% |
3.125% Senior Notes due April 2024, effective interest rate 3.32% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 3.125% |
Debt instrument maturity, month and year | 2024-04 |
Effective interest rate | 3.32% |
3.250% Senior Notes due April 2025, effective interest rate 3.36% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 3.25% |
Debt instrument maturity, month and year | 2025-04 |
Effective interest rate | 3.36% |
3.625% Senior Notes due April 2025, effective interest rate 3.78% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 3.625% |
Debt instrument maturity, month and year | 2025-04 |
Effective interest rate | 3.78% |
3.125% Senior Notes due April 2026, effective interest rate of 3.28% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 3.125% |
Debt instrument maturity, month and year | 2026-04 |
Effective interest rate | 3.28% |
3.750% Senior Notes due June 2027, effective interest rate of 3.83% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 3.75% |
Debt instrument maturity, month and year | 2027-06 |
Effective interest rate | 3.83% |
3.750% Senior Notes due April 2029, effective interest rate of 3.86% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 3.75% |
Debt instrument maturity, month and year | 2029-04 |
Effective interest rate | 3.86% |
4.000% Senior Notes due April 2030, effective interest rate 4.09% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 4.00% |
Debt instrument maturity, month and year | 2030-04 |
Effective interest rate | 4.09% |
1.650% Senior Notes due January 2031, effective interest rate of 2.19% |  |
Debt Instrument [Line Items] |  |
Stated interest rate percentage | 1.65% |
Debt instrument maturity, month and year | 2031-01 |
Effective interest rate | 2.19% |

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