Customers and Other Financing and Non-Financing Receivable - Summary of Accounts Receivable and Other Receivables (Detail) - MXN ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2025 |
Dec. 31, 2024 |
|
| Trade and Other Receivables [Line Items] | ||
| Total customers, net | $ 132,855,625 | $ 126,733,175 |
| Accounts receivable include impairment | 25,530,656 | 24,396,664 |
| Impairment charge | 1,133,990 | 15,438,558 |
| Domestic customers | ||
| Trade and Other Receivables [Line Items] | ||
| Total customers, net | 91,557,098 | 86,225,287 |
| Export customers | ||
| Trade and Other Receivables [Line Items] | ||
| Total customers, net | $ 41,298,527 | $ 40,507,888 |