Leases - Schedule of Future Lease Payments Under Lease Contracts (Details) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Disclosure of maturity analysis of operating lease payments [line items] | ||
| Contractual lease payments | $ 39,081 | $ 39,473 |
| Interest | 11,372 | 11,830 |
| Lease liabilities | 27,709 | 27,643 |
| Less than one year | ||
| Disclosure of maturity analysis of operating lease payments [line items] | ||
| Contractual lease payments | 6,182 | 5,914 |
| Interest | 1,539 | 1,533 |
| Lease liabilities | 4,643 | 4,381 |
| Between 1 and 5 years | ||
| Disclosure of maturity analysis of operating lease payments [line items] | ||
| Contractual lease payments | 16,105 | 15,624 |
| Interest | 4,443 | 4,655 |
| Lease liabilities | 11,662 | 10,969 |
| 5 years and later | ||
| Disclosure of maturity analysis of operating lease payments [line items] | ||
| Contractual lease payments | 16,794 | 17,935 |
| Interest | 5,390 | 5,642 |
| Lease liabilities | $ 11,404 | $ 12,293 |