Statement Of Cash Flows [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Adjustments for decrease (increase) in other assets |
327,200,000
USD
|
150,000,000
USD
|
| Adjustments for increase (decrease) in other liabilities |
32,300,000
USD
|
86,500,000
USD
|
| Adjustments for increase (decrease) in insurance, reinsurance and investment contract liabilities |
627,100,000
USD
|
545,900,000
USD
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of financial instruments, classified as investing activities |
8,598,900,000
USD
|
7,115,900,000
USD
|
| Proceeds from sales or maturity of financial instruments, classified as investing activities |
7,870,000,000
USD
|
6,129,800,000
USD
|