Statement Of Cash Flows [Abstract]
| Concept |
2021-04-01 to 2022-03-31 |
2020-04-01 to 2021-03-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) investing activities [abstract] | ||
| Dividends received from joint ventures, classified as investing activities |
2,000,000
USD
|
—
USD
|
| Proceeds from sales of interests in associates |
12,000,000
USD
|
127,000,000
USD
|
| Cash receipts from repayment of advances and loans made to related parties |
110,000,000
USD
|
—
USD
|
| Purchase of financial instruments, classified as investing activities |
32,000,000
USD
|
31,000,000
USD
|
| Proceeds from sales or maturity of financial instruments, classified as investing activities |
12,000,000
USD
|
24,000,000
USD
|