Subsequent events (Details) - Nonadjusting Event [Member] $ / shares in Units, $ in Millions |
Aug. 06, 2026
USD ($)
$ / shares
|
|---|---|
| Interim Dividends [Member] | |
| IfrsStatementLineItems [Line Items] | |
| Date of approval by the Board of Directors | 08.06.2026 |
| Date of record | 08.21.2026 |
| Amount per common and preferred share | $ / shares | $ 0.0924 |
| Amount | $ | $ 1,191 |
| Interim Interest On Capital [Member] | |
| IfrsStatementLineItems [Line Items] | |
| Date of approval by the Board of Directors | 08.06.2026 |
| Date of record | 08.21.2026 |
| Amount per common and preferred share | $ / shares | $ 0.1718 |
| Amount | $ | $ 2,215 |
| Anticipated Dividends [Member] | |
| IfrsStatementLineItems [Line Items] | |
| Amount per common and preferred share | $ / shares | $ 0.2642 |
| Amount | $ | $ 3,406 |