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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY ₨ in Millions, $ in Millions | INR (₨) shares | USD ($) shares | Revision of Prior Period, Change in Accounting Principle, Adjustment [Member] INR (₨) | [2] | Equity Shares INR (₨) shares | Equity Shares USD ($) shares | Additional Paid In Capital INR (₨) | Additional Paid In Capital USD ($) | Retained Earnings INR (₨) | Retained Earnings USD ($) | Retained Earnings Revision of Prior Period, Change in Accounting Principle, Adjustment [Member] INR (₨) | [2] | Statutory Reserve INR (₨) | [1] | Statutory Reserve USD ($) | [1] | Accumulated Other Comprehensive Income (Loss) INR (₨) | Accumulated Other Comprehensive Income (Loss) USD ($) | Accumulated Other Comprehensive Income (Loss) Revision of Prior Period, Change in Accounting Principle, Adjustment [Member] INR (₨) | [2] | Total HDFC Bank Limited Shareholders' Equity INR (₨) | Total HDFC Bank Limited Shareholders' Equity USD ($) | Total HDFC Bank Limited Shareholders' Equity Revision of Prior Period, Change in Accounting Principle, Adjustment [Member] INR (₨) | [2] | Noncontrolling Interest INR (₨) | Noncontrolling Interest USD ($)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Mar. 31, 2017 | ₨ 1,027,901.1 |  |  | ₨ 5,125.1 |  | ₨ 442,721.8 |  | ₨ 364,471.9 |  |  | ₨ 187,703.2 |  | ₨ 26,031.6 |  |  | ₨ 1,026,053.6 |  |  | ₨ 1,847.5 |
Balance at Mar. 31, 2017 | shares |  |  |  | 5,125,091,434 | 5,125,091,434 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued upon exercise of options | 27,259.1 |  |  | ₨ 65.1 |  | 27,194.0 |  |  |  |  |  |  |  |  |  | 27,259.1 |  |  |  |
Shares issued upon exercise of options (in shares) | shares |  |  |  | 65,089,100 | 65,089,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 6,594.6 |  |  |  |  | 6,594.6 |  |  |  |  |  |  |  |  |  | 6,594.6 |  |  |  |
Dividends, including dividend tax | (34,490.3) |  |  |  |  |  |  | (34,490.3) |  |  |  |  |  |  |  | (34,490.3) |  |  |  |
Change in ownership interest in subsidiary | (143.3) |  |  |  |  | 60.0 |  |  |  |  |  |  |  |  |  | 60.0 |  |  | (203.3) |
Shares issued to noncontrolling interest | 366.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  | 366.5 |
Transfer to statutory reserve | 0.0 |  |  |  |  |  |  | (45,620.3) |  |  | 45,620.3 |  |  |  |  | 0.0 |  |  |  |
Net income | 178,833.9 |  |  |  |  |  |  | 178,514.9 |  |  |  |  |  |  |  | 178,514.9 |  |  | 319.0 |
Net change in accumulated other comprehensive income | (29,828.3) |  |  |  |  |  |  |  |  |  |  |  | (29,828.3) |  |  | (29,828.3) |  |  |  |
Balance at Mar. 31, 2018 | 1,176,493.3 |  | ₨ 0.0 | ₨ 5,190.2 |  | 476,570.4 |  | 462,876.2 |  | ₨ 268.0 | 233,323.5 |  | (3,796.7) |  | ₨ (268.0) | 1,174,163.6 |  | ₨ 0.0 | 2,329.7 |
Balance at Mar. 31, 2018 | shares |  |  |  | 5,190,180,534 | 5,190,180,534 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued in public offering (net of issuance cost of Rs. 1,262.9 million) | 235,896.2 |  |  | ₨ 208.9 |  | 235,687.3 |  |  |  |  |  |  |  |  |  | 235,896.2 |  |  |  |
Shares issued in public offering (in Shares) | shares |  |  |  | 208,888,078 | 208,888,078 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued upon exercise of options | 22,008.2 |  |  | ₨ 47.5 |  | 21,960.7 |  |  |  |  |  |  |  |  |  | 22,008.2 |  |  |  |
Shares issued upon exercise of options (in shares) | shares |  |  |  | 47,544,608 | 47,544,608 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 5,343.3 |  |  |  |  | 5,343.3 |  |  |  |  |  |  |  |  |  | 5,343.3 |  |  |  |
Dividends, including dividend tax | (41,015.2) |  |  |  |  |  |  | (41,015.2) |  |  |  |  |  |  |  | (41,015.2) |  |  |  |
Change in ownership interest in subsidiary | 0.0 |  |  |  |  | 201.9 |  |  |  |  |  |  |  |  |  | 201.9 |  |  | (201.9) |
Shares issued to noncontrolling interest | 459.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  | 459.8 |
Transfer to statutory reserve | 0.0 |  |  |  |  |  |  | (54,997.6) |  |  | 54,997.6 |  |  |  |  | 0.0 |  |  |  |
Net income | 220,565.5 |  |  |  |  |  |  | 220,103.8 |  |  |  |  |  |  |  | 220,103.8 |  |  | 461.7 |
Net change in accumulated other comprehensive income | 15,873.5 |  |  |  |  |  |  |  |  |  |  |  | 15,873.5 |  |  | 15,873.5 |  |  |  |
Balance at Mar. 31, 2019 | ₨ 1,635,624.6 |  |  | ₨ 5,446.6 |  | 739,763.6 |  | 587,235.2 |  |  | 288,321.1 |  | 11,808.8 |  |  | 1,632,575.3 |  |  | 3,049.3 |
Balance at Mar. 31, 2019 | shares | 5,446,613,220 | 5,446,613,220 |  | 5,446,613,220 | 5,446,613,220 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued upon exercise of options | ₨ 18,486.8 |  |  | ₨ 36.7 |  | 18,450.1 |  |  |  |  |  |  |  |  |  | 18,486.8 |  |  |  |
Shares issued upon exercise of options (in shares) | shares |  |  |  | 36,673,240 | 36,673,240 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation | 7,476.1 |  |  |  |  | 7,476.1 |  |  |  |  |  |  |  |  |  | 7,476.1 |  |  |  |
Dividends, including dividend tax | (66,447.3) |  |  |  |  |  |  | (66,447.3) |  |  |  |  |  |  |  | (66,447.3) |  |  |  |
Change in ownership interest in subsidiary | 0.0 |  |  |  |  | 198.8 |  |  |  |  |  |  |  |  |  | 198.8 |  |  | (198.8) |
Shares issued to noncontrolling interest | 466.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 466.8 |
Transfer to statutory reserve | 0.0 |  |  |  |  |  |  | (67,717.2) |  |  | 67,717.2 |  |  |  |  |  |  |  |  |
Net income | 260,364.0 | $ 3,453.7 |  |  |  |  |  | 260,269.9 |  |  |  |  |  |  |  | 260,269.9 |  |  | 94.1 |
Net change in accumulated other comprehensive income | 40,522.8 | 537.5 |  |  |  |  |  |  |  |  |  |  | 40,522.8 |  |  | 40,522.8 |  |  |  |
Balance at Mar. 31, 2020 | ₨ 1,896,493.8 | $ 25,155.7 |  | ₨ 5,483.3 | $ 72.7 | ₨ 765,888.6 | $ 10,159.0 | ₨ 713,340.6 | $ 9,462.0 |  | ₨ 356,038.3 | $ 4,722.6 | ₨ 52,331.6 | $ 694.1 |  | ₨ 1,893,082.4 | $ 25,110.4 |  | ₨ 3,411.4 | $ 45.3
Balance at Mar. 31, 2020 | shares | 5,483,286,460 | 5,483,286,460 |  | 5,483,286,460 | 5,483,286,460 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Under local regulations, the Bank is required to transfer 25% of its profit after tax (per Indian GAAP) to a non-distributable statutory reserve and to meet certain other conditions in order to pay dividends without prior RBI approval.
[2] | Effective April 1, 2018, the Bank adopted ASU 2016-01 “Financial Instruments—Overall (Subtopic 825-10)(see note 19)

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