Income Taxes - Schedule of Income Tax Net Operating Loss Carryforwards (NOLs) (Gross, Net Uncertain Tax Benefits) (Detail) $ in Millions |
Jun. 30, 2023
USD ($)
|
|---|---|
| U.S. Federal | 2021 to 2037 | |
| Operating Loss Carryforwards [Line Items] | |
| Net Operating Loss Carryforwards, Amount | $ 116 |
| U.S. Federal | Indefinite | |
| Operating Loss Carryforwards [Line Items] | |
| Net Operating Loss Carryforwards, Amount | 333 |
| U.S. States | |
| Operating Loss Carryforwards [Line Items] | |
| Net Operating Loss Carryforwards, Amount | 730 |
| Foreign Tax Authority | Australia | |
| Operating Loss Carryforwards [Line Items] | |
| Net Operating Loss Carryforwards, Amount | 319 |
| Foreign Tax Authority | U.K. | |
| Operating Loss Carryforwards [Line Items] | |
| Net Operating Loss Carryforwards, Amount | 28 |
| Other Foreign | |
| Operating Loss Carryforwards [Line Items] | |
| Net Operating Loss Carryforwards, Amount | $ 568 |