XML 133 R119.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Property, Plant and Equipment - Summary of Future Aggregate Lease Collection under Operating Lease for Freehold Plant, Property and Equipment - Assets Subject to Operating Leases (Detail) - TWD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment $ 1,082 $ 570
Year 1 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 168 118
Year 2 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 157 99
Year 3 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 134 90
Year 4 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 105 70
Year 5 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 83 44
Onwards [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 435 149
Property, plant and equipment subject to operating leases [member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 2,228 2,329
Property, plant and equipment subject to operating leases [member] | Year 1 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 381 389
Property, plant and equipment subject to operating leases [member] | Year 2 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 279 281
Property, plant and equipment subject to operating leases [member] | Year 3 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 221 211
Property, plant and equipment subject to operating leases [member] | Year 4 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 176 177
Property, plant and equipment subject to operating leases [member] | Year 5 [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment 146 149
Property, plant and equipment subject to operating leases [member] | Onwards [Member]    
Disclosure Of Property Plant And Equipment [Line Items]    
Future aggregate lease collection under operating lease for freehold plant, property and equipment $ 1,025 $ 1,122