v3.25.2
Revenue - Schedule of Revenue Disaggregation (Detail) - MXN ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers $ 395,589,503 $ 405,898,379
Products transferred at a point in time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 386,446,895 399,969,913
Products and services transferred over the time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 9,142,608 5,928,466
Crude oil    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 76,676,351 91,019,369
Gas    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 29,872,109 22,584,322
Refined petroleum products    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 220,318,825 272,280,943
Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 68,198,959 19,334,723
Services    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 523,259 679,022
United States    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 109,982,631 121,014,146
Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 18,683,817 23,870,895
Europe    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 28,140,407 24,803,983
Local    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 238,782,648 236,209,355
Exploration and Production    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 71,848,876 87,265,466
Exploration and Production | Products transferred at a point in time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 71,841,444 87,259,330
Exploration and Production | Products and services transferred over the time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 7,432 6,136
Exploration and Production | Crude oil    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 71,805,840 87,225,272
Exploration and Production | Gas    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 35,604 34,058
Exploration and Production | Services    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 7,432 6,136
Exploration and Production | United States    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 34,783,957 48,531,820
Exploration and Production | Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 13,511,840 18,857,285
Exploration and Production | Europe    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 23,510,043 19,836,166
Exploration and Production | Local    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 43,036 40,195
Industrial Transformation    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 148,305,557 158,490,851
Industrial Transformation | Products transferred at a point in time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 139,539,800 153,072,105
Industrial Transformation | Products and services transferred over the time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 8,765,757 5,418,746
Industrial Transformation | Gas    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 20,985,527 16,724,798
Industrial Transformation | Refined petroleum products    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 127,296,936 141,608,475
Industrial Transformation | Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 645 110,581
Industrial Transformation | Services    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 22,449 46,997
Industrial Transformation | Local    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 148,305,557 158,490,851
Logistics    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 123,959 122,305
Logistics | Products transferred at a point in time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 123,959 122,305
Logistics | Services    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 123,959 122,305
Logistics | Local    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 123,959 122,305
DPRLP    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 42,145,591 39,287,572
DPRLP | Products transferred at a point in time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 42,145,591 39,287,572
DPRLP | Gas    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 1,441,457 0
DPRLP | Refined petroleum products    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 8,451,533 28,743,260
DPRLP | Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 32,252,601 10,544,312
DPRLP | United States    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 42,145,591 39,287,572
Trading Companies    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 128,643,974 112,114,248
Trading Companies | Products transferred at a point in time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 128,280,418 111,617,924
Trading Companies | Products and services transferred over the time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 363,556 496,324
Trading Companies | Crude oil    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 4,870,511 3,794,097
Trading Companies | Gas    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 7,409,521 5,825,466
Trading Companies | Refined petroleum products    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 84,570,356 101,929,208
Trading Companies | Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 31,430,030 69,153
Trading Companies | Services    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 363,556 496,324
Trading Companies | United States    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 31,970,848 32,723,898
Trading Companies | Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 5,108,186 4,900,693
Trading Companies | Europe    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 4,630,364 4,967,817
Trading Companies | Local    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 86,934,576 69,521,840
Corporate    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 144 210
Corporate | Products and services transferred over the time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 144 210
Corporate | Services    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 144 210
Corporate | Local    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 144 210
Other Operating Subsidiary Companies    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 4,521,402 8,617,727
Other Operating Subsidiary Companies | Products transferred at a point in time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 4,515,683 8,610,677
Other Operating Subsidiary Companies | Products and services transferred over the time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 5,719 7,050
Other Operating Subsidiary Companies | Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 4,515,683 8,610,677
Other Operating Subsidiary Companies | Services    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 5,719 7,050
Other Operating Subsidiary Companies | United States    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 1,082,235 470,856
Other Operating Subsidiary Companies | Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers 63,791 112,917
Other Operating Subsidiary Companies | Local    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue from contracts with customers $ 3,375,376 $ 8,033,954