Fair Value of Financial Instruments - Summary of Estimated Fair Values of Investments and Remaining Unfunded Commitments for Each Major Category of Investments (Footnote Information) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value	$ 885
Unfunded commitments	28
Non-marketable securities | Fair value accounting | Venture capital and private equity fund investments measured at net asset value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value	257
Unfunded commitments	18
Non-marketable securities | Fair value accounting | Noncontrolling Interests | Venture capital and private equity fund investments measured at net asset value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value	40
Unfunded commitments	$ 2
Non-marketable securities | Fair value accounting | Lower Limit
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Estimated future period of distributions from the fund investments	10 years
Non-marketable securities | Fair value accounting | Upper Limit
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Estimated future period of distributions from the fund investments	13 years
Non-marketable securities | Equity method accounting | Venture capital and private equity fund investments measured at net asset value
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value	$ 605
Unfunded commitments	9
Non-marketable securities | Equity method accounting | Other investments
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair value	18
Unfunded commitments	$ 1
Non-marketable securities | Equity method accounting | Lower Limit
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Estimated future period of distributions from the fund investments	5 years
Non-marketable securities | Equity method accounting | Upper Limit
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Estimated future period of distributions from the fund investments	8 years