Summary of Significant Accounting Policies - Summary of Useful Lives of Intangible Assets Other than Goodwill (Detail)	12 Months Ended
	Dec. 31, 2025
Land Use Rights [Member]
Disclosure Details Of Useful Lives Of Intangible Assets Other Than Goodwill [LineItems]
Useful lives of intangible assets other than goodwill	Indefinite
Interconnection [Member]
Disclosure Details Of Useful Lives Of Intangible Assets Other Than Goodwill [LineItems]
Intangible asset useful life	13 years
Interconnection [Member] \| Minimum [Member]
Disclosure Details Of Useful Lives Of Intangible Assets Other Than Goodwill [LineItems]
Intangible asset useful life	10 years
Interconnection [Member] \| Maximum [Member]
Disclosure Details Of Useful Lives Of Intangible Assets Other Than Goodwill [LineItems]
Intangible asset useful life	25 years
Customer Contracts [Member]
Disclosure Details Of Useful Lives Of Intangible Assets Other Than Goodwill [LineItems]
Intangible asset useful life	12 years
Customer Contracts [Member] \| Minimum [Member]
Disclosure Details Of Useful Lives Of Intangible Assets Other Than Goodwill [LineItems]
Intangible asset useful life	2 years
Customer Contracts [Member] \| Maximum [Member]
Disclosure Details Of Useful Lives Of Intangible Assets Other Than Goodwill [LineItems]
Intangible asset useful life	15 years
Emission Allowances [Member]
Disclosure Details Of Useful Lives Of Intangible Assets Other Than Goodwill [LineItems]
Useful lives of intangible assets other than goodwill	Indefinite