Investments (Tables)

9 Months Ended

Sep. 30, 2021

Investment Segment

Schedule of Investments [Line Items]

Investments

	September 30,		December 31,
	2021		2020
	(in millions)
Assets
Investments:
Equity securities:
Consumer, non-cyclical	$	786	$	1,548
Consumer, cyclical		1,732		2,073
Energy		3,153		2,654
Utilities		761		107
Healthcare		950		—
Technology		1,715		1,578
Materials		181		—
Industrial		259		158
		9,537		8,118
Corporate debt securities		116		121
	$	9,653	$	8,239
Liabilities
Securities sold, not yet purchased, at fair value:
Equity securities:
Consumer, non-cyclical	$	169	$	424
Consumer, cyclical		713		572
Energy		2,112		1,476
Utilities		588		49
Healthcare		969		—
Materials		321		—
Industrial		85		—
	$	4,957	$	2,521

Other Segments and Holding Company

Schedule of Investments [Line Items]

Investments

	September 30,		December 31,
	2021		2020
	(in millions)
Equity method investments	$	91	$	120
Held to maturity debt investments measured at amortized cost		—		20
Other investments measured at fair value		153		534
	$	244	$	674