Trade and other receivables - Maturity Analysis of Finance Lease Receivables (Details) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Disclosure of maturity analysis of finance lease payments receivable [line items] | ||
| Total undiscounted lease payments receivable | $ 1,539 | $ 1,581 |
| Unearned finance income | 260 | 270 |
| Net investment in leases | 1,279 | 1,311 |
| Less than one year | ||
| Disclosure of maturity analysis of finance lease payments receivable [line items] | ||
| Total undiscounted lease payments receivable | 238 | 257 |
| Between 1 and 5 years | ||
| Disclosure of maturity analysis of finance lease payments receivable [line items] | ||
| Total undiscounted lease payments receivable | 848 | 792 |
| 5 years and later | ||
| Disclosure of maturity analysis of finance lease payments receivable [line items] | ||
| Total undiscounted lease payments receivable | $ 453 | $ 532 |