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Bank borrowings- General (Details) ¥ in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Apr. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) item | Mar. 31, 2016 CNY (¥) | Mar. 31, 2017 CNY (¥)
Bank borrowings |  |  |  |
Long-term borrowings |  | $ 4,498 | ¥ 1,871 | ¥ 30,959
Less: current portion |  | $ (864) | (4,304) | (5,948)
Bank borrowings |  |  |  |
Bank borrowings |  |  |  |
Total borrowings |  |  | 6,175 | 36,907
Less: current portion |  |  | (4,304) | (5,948)
Non-current portion |  |  | 1,871 | 30,959
US$4.0 billion syndicated loan denominated in US$ | Bank loans |  |  |  |
Bank borrowings |  |  |  |
Maturity term |  | 5 years |  |
Number of lead arrangers | item |  | 8 |  |
US$4.0 billion syndicated loan denominated in US$ | Bank loans | LIBOR |  |  |  |
Bank borrowings |  |  |  |
Spread over variable rate (as a percent) |  | 1.10% |  |
US$4.0 billion syndicated loan denominated in US$ | Bank loans | Denominated in U.S. dollars |  |  |  |
Bank borrowings |  |  |  |
Long-term borrowings |  |  |  | 27,346
Principal amount | $ |  | $ 4,000 |  |
Long-term other borrowings | Bank loans |  |  |  |
Bank borrowings |  |  |  |
Long-term borrowings |  |  | ¥ 1,871 | 3,613
Weighted average interest rate for the year |  | 4.60% | 4.90% |
Collateral amount pledged |  |  | ¥ 3,583 | 6,680
Short-term other borrowings | Bank loans |  |  |  |
Bank borrowings |  |  |  |
Short-term borrowings |  |  | ¥ 4,304 | ¥ 5,948
Short-term other borrowings | Bank loans | Minimum |  |  |  |
Bank borrowings |  |  |  |
Interest rates |  | 1.70% | 4.00% | 1.70%
Short-term other borrowings | Bank loans | Maximum |  |  |  |
Bank borrowings |  |  |  |
Interest rates |  | 4.80% | 7.10% | 4.80%
US$3.0 billion revolving credit facility agreement | Bank facility |  |  |  |
Bank borrowings |  |  |  |
Amount of loan facility | $ |  | $ 3,000 |  |
US$5.15 billion revolving credit facility agreement | Bank facility |  |  |  |
Bank borrowings |  |  |  |
Amount of loan facility | $ | $ 5,150 |  |  |
US$5.15 billion revolving credit facility agreement | Bank facility | LIBOR |  |  |  |
Bank borrowings |  |  |  |
Spread over variable rate (as a percent) | 0.95% |  |  |

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