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Long-Term Debt - Schedule of Principal Amount, Effective Interest Rate and Maturity Date for Corporation's Senior Notes (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Jul. 02, 2021
0.650% Senior Notes, Due 2023 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 700,000,000.0 | $ 700,000,000.0
Effective Interest Rate | 0.78% |
Maturity Date | Jul. 15, 2023 |
4.25% Senior Notes, Due 2024 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 400,000,000.0 |
Effective Interest Rate | 4.40% |
Maturity Date | Jul. 02, 2024 |
7% Debentures, Due 2025 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 125,000,000.0 |
Effective Interest Rate | 7.05% |
Maturity Date | Dec. 01, 2025 |
3.450% Senior Notes, Due 2027 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 300,000,000.0 |
Effective Interest Rate | 3.55% |
Maturity Date | Jun. 01, 2027 |
3.500% Senior Notes, Due 2027 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 500,000,000.0 |
Effective Interest Rate | 3.60% |
Maturity Date | Dec. 15, 2027 |
2.500% Senior Notes, Due 2030 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 500,000,000.0 |
Effective Interest Rate | 2.71% |
Maturity Date | Mar. 15, 2030 |
2.400% Senior Notes, Due 2031 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 900,000,000.0 | 900,000,000.0
Effective Interest Rate | 2.48% |
Maturity Date | Jul. 15, 2031 |
6.25% Senior Notes, Due 2037 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 230,000,000.0 |
Effective Interest Rate | 6.32% |
Maturity Date | May 01, 2037 |
4.250% Senior Notes, Due 2047 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 600,000,000.0 |
Effective Interest Rate | 4.32% |
Maturity Date | Dec. 15, 2047 |
3.200% Senior Notes, Due 2051 |  |
Debt Instrument [Line Items] |  |
Principal Amount | $ 900,000,000.0 | $ 900,000,000.0
Effective Interest Rate | 3.29% |
Maturity Date | Jul. 15, 2051 |

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