The amount of depreciation expense, amortisation expense and impairment loss (reversal of impairment loss) recognised in profit or loss. [Refer: Depreciation and amortisation expense; Impairment loss (reversal of impairment loss) recognised in profit or loss]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2020-01-01
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Property, Plant and Equipment - Additional Information (Detail) - 4G Wireless Assets [Member] - CNY (¥) ¥ in Millions		12 Months Ended
	Jan. 01, 2020	Dec. 31, 2020	Dec. 31, 2019
Disclosure of detailed information about property, plant and equipment [line items]
Depreciable life of property plant and equipment			5 years
Depreciation and amortization reversal		¥ 19,685
Depreciation Restated [Member]
Disclosure of detailed information about property, plant and equipment [line items]
Depreciable life of property plant and equipment	7 years