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Bonds Payable - Major Terms of Overseas Unsecured Bonds (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 14, 2022 | Dec. 31, 2021
Bonds payable [line items] |  |
Repayment and Interest Payment | Bullet repayment; interest payable annually |
Overseas [member] | Issuance period one [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | $ 1,000.0
Overseas [member] | Issuance period two [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | 750.0
Overseas [member] | Issuance period three [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | 1,250.0
Overseas [member] | Issuance Period Four [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | 1,100.0
Overseas [member] | Issuance Period Five [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | 900.0
Overseas [member] | Issuance Period Six [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | 1,500.0
Overseas [member] | Issuance Period Seven [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | 1,250.0
Overseas [member] | Issuance Period Eight [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | 1,250.0
Overseas [member] | Issuance Period Nine [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | 1,000.0
Overseas [member] | Issuance Period Ten [Member] |  |
Bonds payable [line items] |  |
Overseas unsecured bonds |  | $ 1,000.0
Overseas unsecured bonds [member] | Issuance period one [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2020-09
Issuance ending period |  | 2025-09
Coupon Rate |  | 0.75%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance period two [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2020-09
Issuance ending period |  | 2027-09
Coupon Rate |  | 1.00%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance period three [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2020-09
Issuance ending period |  | 2030-09
Coupon Rate |  | 1.375%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance Period Four [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2021-04
Issuance ending period |  | 2026-04
Coupon Rate |  | 1.25%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance Period Five [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2021-04
Issuance ending period |  | 2028-04
Coupon Rate |  | 1.75%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance Period Six [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2021-04
Issuance ending period |  | 2031-04
Coupon Rate |  | 2.25%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance Period Seven [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2021-10
Issuance ending period |  | 2026-10
Coupon Rate |  | 1.75%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance Period Eight [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2021-10
Issuance ending period |  | 2031-10
Coupon Rate |  | 2.50%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance Period Nine [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2021-10
Issuance ending period |  | 2041-10
Coupon Rate |  | 3.125%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually
Overseas unsecured bonds [member] | Issuance Period Ten [Member] |  |
Bonds payable [line items] |  |
Issuance starting period |  | 2021-10
Issuance ending period |  | 2051-10
Coupon Rate |  | 3.25%
Repayment and Interest Payment |  | Bullet repayment (callable at any time, in whole or in part, at the relevant redemption price according to relevant agreements); interest payable semi-annually

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