Basis of Presentation - Narrative (Details) kr in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2024
USD ($)
|
Jun. 30, 2025
USD ($)
business_unit
|
Jun. 30, 2024
USD ($)
|
Jun. 30, 2024
DKK (kr)
|
|
| Disclosure Of Detailed Information About Changes in Presentation Currency [Line Items] | |||||
| Number of business units | business_unit | 1 | ||||
| Foreign exchange rate gain | $ (83) | $ (19) | $ (125) | $ (72) | |
| Gain on marketable securities | 43 | 50 | 69 | 119 | |
| Foreign exchange rate loss | (77) | (17) | (108) | (24) | |
| Losses on marketable securities | $ 5 | $ 26 | 12 | 49 | |
| Cash (used in) investing activities | $ 17 | 1,480 | kr 10,134 | ||
| Revision of prior period, reclassification, adjustment | |||||
| Disclosure Of Detailed Information About Changes in Presentation Currency [Line Items] | |||||
| Foreign exchange rate gain | 58 | ||||
| Gain on marketable securities | 58 | ||||
| Foreign exchange rate loss | 58 | ||||
| Losses on marketable securities | 58 | ||||
| Cash (used in) investing activities | $ 11 | ||||