Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
137,000,000
USD
|
201,000,000
USD
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets and goodwill |
1,195,000,000
USD
|
1,293,000,000
USD
|
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | ||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
77,000,000
USD
|
81,000,000
USD
|
| Non-current prepayments and non-current accrued income including non-current contract assets [abstract] | ||
| Non-current accrued income including non-current contract assets [abstract] | ||
| Non-current contract assets |
316,000,000
USD
|
311,000,000
USD
|
| Miscellaneous non-current assets [abstract] | ||
| Non-current net defined benefit asset |
2,000,000
USD
|
–
USD
|
| Non-current derivative financial assets |
–
USD
|
5,000,000
USD
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
574,000,000
USD
|
514,000,000
USD
|
| Current prepayments and current accrued income including current contract assets [abstract] | ||
| Current accrued income including current contract assets [abstract] | ||
| Current contract assets |
30,000,000
USD
|
25,000,000
USD
|
| Classes of current inventories [abstract] | ||
| Current inventories |
4,000,000
USD
|
5,000,000
USD
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
1,450,000,000
USD
|
1,675,000,000
USD
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
2,553,000,000
USD
|
2,898,000,000
USD
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
292,000,000
USD
|
869,000,000
USD
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other non-current payables [abstract] | ||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | ||
| Non-current deferred income including non-current contract liabilities [abstract] | ||
| Non-current contract liabilities [abstract] | ||
| Non-current contract liabilities |
996,000,000
USD
|
1,117,000,000
USD
|
| Trade and other non-current payables |
89,000,000
USD
|
94,000,000
USD
|
| Trade and other current payables [abstract] | ||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||
| Current deferred income including current contract liabilities [abstract] | ||
| Current contract liabilities [abstract] | ||
| Current contract liabilities |
617,000,000
USD
|
452,000,000
USD
|
| Trade and other current payables |
579,000,000
USD
|
466,000,000
USD
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current net defined benefit liability |
92,000,000
USD
|
103,000,000
USD
|
| Non-current derivative financial liabilities |
62,000,000
USD
|
18,000,000
USD
|
| Net assets (liabilities) [abstract] | ||
| Assets |
4,716,000,000
USD
|
5,039,000,000
USD
|
| Liabilities |
6,190,000,000
USD
|
6,888,000,000
USD
|
| Assets (liabilities) |
1,474,000,000
USD
|
1,849,000,000
USD
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
2,066,000,000
USD
|
2,243,000,000
USD
|
| Current liabilities |
1,624,000,000
USD
|
1,867,000,000
USD
|
| Assets less current liabilities [abstract] |