Notes Receivable (Details) shares in Millions, adr in Millions	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Nov. 30, 2018 USD ($) adr shares
BRW | Term Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan amount			$ 456,000,000
Number of shares pledged as collateral (in shares) | shares			516
Implied value equivalent of shares pledged as collateral (in ADRs) | adr			64.5
Carrying amount of loan receivable		$ 515,000,000
Boom Technology, Inc.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying amount of loan receivable	$ 44,000,000
Other Notes Receivable Counterparties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying amount of loan receivable	$ 32,000,000