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v3.8.0.1

Property, Plant and Equipment - Disclosure of Summary about Property, Plant and Equipment (Detail) ₨ in Millions, $ in Millions | 12 Months Ended
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Mar. 31, 2018 INR (₨) | Mar. 31, 2018 USD ($) | Mar. 31, 2017 INR (₨)
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | ₨ 69,794 |  |
Capital work-in-progress | 15,680 |  | ₨ 8,951
Assets reclassified as held for sale | (514) |  |
Ending balance | 64,443 | $ 990 | 69,794
Carrying value [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 156,542 |  | 144,068
Translation adjustment | 1,387 |  | (1,591)
Additions/ adjustments | 15,745 |  | 19,970
Acquisition through business combinations | 29 |  | 1,492
Disposals/ adjustments | (8,658) |  | (7,397)
Assets reclassified as held for sale | (32,130) |  |
Ending balance | 132,915 |  | 156,542
Accumulated depreciation/impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 95,699 |  | 85,327
Translation adjustment | 662 |  | (928)
Depreciation | 16,869 |  | 17,114
Disposals/ adjustments | (7,710) |  | (5,814)
Assets reclassified as held for sale | (21,882) |  |
Ending balance | 83,638 |  | 95,699
Land [member] | Carrying value [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 3,814 |  | 3,695
Translation adjustment | 28 |  | (15)
Additions/ adjustments | 2 |  |
Acquisition through business combinations |  |  | 134
Assets reclassified as held for sale | (207) |  |
Ending balance | 3,637 |  | 3,814
Buildings [member] | Carrying value [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 27,581 |  | 26,089
Translation adjustment | 265 |  | (69)
Additions/ adjustments | 1,197 |  | 1,133
Acquisition through business combinations | 13 |  | 446
Disposals/ adjustments | (190) |  | (18)
Assets reclassified as held for sale | (3,721) |  |
Ending balance | 25,145 |  | 27,581
Buildings [member] | Accumulated depreciation/impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 6,361 |  | 5,344
Translation adjustment | 49 |  | (39)
Depreciation | 1,023 |  | 1,059
Disposals/ adjustments | (70) |  | (3)
Assets reclassified as held for sale | (1,539) |  |
Ending balance | 5,824 |  | 6,361
Plant and machinery [member] | Carrying value [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 108,967 |  | 99,580
Translation adjustment | 904 |  | (1,377)
Additions/ adjustments | 11,767 |  | 16,572
Acquisition through business combinations | 4 |  | 835
Disposals/ adjustments | (7,302) |  | (6,643)
Assets reclassified as held for sale | (27,118) |  |
Ending balance | 87,222 |  | 108,967
Plant and machinery [member] | Accumulated depreciation/impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 77,005 |  | 68,161
Translation adjustment | 509 |  | (816)
Depreciation | 14,078 |  | 14,910
Disposals/ adjustments | (6,640) |  | (5,250)
Assets reclassified as held for sale | (19,627) |  |
Ending balance | 65,325 |  | 77,005
Furniture fixtures and equipment [member] | Carrying value [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 15,748 |  | 14,115
Translation adjustment | 188 |  | (133)
Additions/ adjustments | 1,776 |  | 2,242
Acquisition through business combinations | 11 |  | 77
Disposals/ adjustments | (872) |  | (553)
Assets reclassified as held for sale | (1,079) |  |
Ending balance | 15,772 |  | 15,748
Furniture fixtures and equipment [member] | Accumulated depreciation/impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 11,968 |  | 11,318
Translation adjustment | 104 |  | (75)
Depreciation | 1,381 |  | 1,117
Disposals/ adjustments | (758) |  | (392)
Assets reclassified as held for sale | (712) |  |
Ending balance | 11,983 |  | 11,968
Vehicles [member] | Carrying value [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 432 |  | 589
Translation adjustment | 2 |  | 3
Additions/ adjustments | 1,003 |  | 23
Acquisition through business combinations | 1 |  |
Disposals/ adjustments | (294) |  | (183)
Assets reclassified as held for sale | (5) |  |
Ending balance | 1,139 |  | 432
Vehicles [member] | Accumulated depreciation/impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Beginning balance | 365 |  | 504
Translation adjustment |  |  | 2
Depreciation | 387 |  | 28
Disposals/ adjustments | (242) |  | (169)
Assets reclassified as held for sale | (4) |  |
Ending balance | ₨ 506 |  | ₨ 365

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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_vii&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_75_a&doctype=Standard -URIDate 2017-03-09 + Details
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