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v3.20.4

Unsecured senior notes- General (Details) ¥ in Millions, $ in Millions | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Nov. 30, 2019 USD ($) | Nov. 30, 2017 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2020 CNY (¥) | Mar. 31, 2020 USD ($) | Mar. 31, 2020 CNY (¥) | Dec. 31, 2017 USD ($) | Nov. 30, 2014 USD ($)
Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Carrying value |  |  |  | ¥ 77,486 |  | ¥ 80,616 |  |
Unamortized discount and debt issuance costs |  |  |  | 501 |  | 550 |  |
Total principal amounts of unsecured senior notes |  |  |  | 77,987 |  | 81,166 |  |
Non-current portion of principal amounts of unsecured senior notes |  |  |  | 77,987 |  | ¥ 81,166 |  |
Discount when issued |  |  | $ 47 | 297 |  |  |  |
Debt issuance costs as a direct deduction from the principal amount |  |  | 82 | ¥ 517 |  |  |  |
2014 Senior Notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  |  |  |  |  |  | $ 8,000
Repayment amount | $ | $ 2,250 | $ 1,300 |  |  |  |  |  |
2017 Senior Notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  |  |  |  |  | $ 7,000 |
US$1,500 million 3.125% notes due 2021 | Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  | $ 1,500 |  | $ 1,500 |  |  |
Fixed interest rate |  |  | 3.125% | 3.125% | 3.125% | 3.125% |  |
Carrying value |  |  |  | ¥ 10,196 |  | ¥ 10,604 |  |
Effective interest rate |  |  | 3.26% | 3.26% |  |  |  |
US$700 million 2.800% notes due 2023 | Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  | $ 700 |  |  |  |  |
Fixed interest rate |  |  | 2.80% | 2.80% | 2.80% | 2.80% |  |
Carrying value |  |  |  | ¥ 4,755 |  | ¥ 4,946 |  |
Effective interest rate |  |  | 2.90% | 2.90% |  |  |  |
US$2,250 million 3.600% notes due 2024 | Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  | $ 2,250 |  | $ 2,250 |  |  |
Fixed interest rate |  |  | 3.60% | 3.60% | 3.60% | 3.60% |  |
Carrying value |  |  |  | ¥ 15,274 |  | ¥ 15,891 |  |
Effective interest rate |  |  | 3.68% | 3.68% |  |  |  |
US$2,550 million 3.400% notes due 2027 | Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  | $ 2,550 |  | $ 2,550 |  |  |
Fixed interest rate |  |  | 3.40% | 3.40% | 3.40% | 3.40% |  |
Carrying value |  |  |  | ¥ 17,235 |  | ¥ 17,929 |  |
Effective interest rate |  |  | 3.52% | 3.52% |  |  |  |
US$700 million 4.500% notes due 2034 | Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  | $ 700 |  | $ 700 |  |  |
Fixed interest rate |  |  | 4.50% | 4.50% | 4.50% | 4.50% |  |
Carrying value |  |  |  | ¥ 4,715 |  | ¥ 4,906 |  |
Effective interest rate |  |  | 4.60% | 4.60% |  |  |  |
US$1,000 million 4.000% notes due 2037 | Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  | $ 1,000 |  | $ 1,000 |  |  |
Fixed interest rate |  |  | 4.00% | 4.00% | 4.00% | 4.00% |  |
Carrying value |  |  |  | ¥ 6,754 |  | ¥ 7,028 |  |
Effective interest rate |  |  | 4.06% | 4.06% |  |  |  |
US$1,750 million 4.200% notes due 2047 | Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  | $ 1,750 |  | $ 1,750 |  |  |
Fixed interest rate |  |  | 4.20% | 4.20% | 4.20% | 4.20% |  |
Carrying value |  |  |  | ¥ 11,811 |  | ¥ 12,291 |  |
Effective interest rate |  |  | 4.25% | 4.25% |  |  |  |
US$1,000 million 4.400% notes due 2057 | Unsecured senior notes |  |  |  |  |  |  |  |
Unsecured senior notes |  |  |  |  |  |  |  |
Principal amount | $ |  |  | $ 1,000 |  | $ 1,000 |  |  |
Fixed interest rate |  |  | 4.40% | 4.40% | 4.40% | 4.40% |  |
Carrying value |  |  |  | ¥ 6,746 |  | ¥ 7,021 |  |
Effective interest rate |  |  | 4.44% | 4.44% |  |  |  |

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