Investments and Related Matters (Tables)

6 Months Ended

Jun. 30, 2019

Investment Segment

Schedule of Investments [Line Items]

Investments

	June 30, 2019		December 31, 2018
Assets	(in millions)
Investments:
Equity securities:
Basic materials	$	410	$	414
Consumer, non-cyclical	1,752		2,161
Consumer, cyclical	1,907		1,161
Energy	2,546		1,598
Financial	241		167
Technology	989		1,040
Other	155		145
	8,000		6,686
Corporate debt securities	191		181
	$	8,191	$	6,867
Liabilities
Securities sold, not yet purchased, at fair value:
Equity securities:
Consumer, non-cyclical	$	42	$	57
Consumer, cyclical	86		106
Energy	18		305
	146		468
Corporate debt securities	—		—
	$	146	$	468

Other Segments and Holding Company

Schedule of Investments [Line Items]

Investments

	June 30, 2019		December 31, 2018
	(in millions)
Equity method investments	$	189	$	143
Other investments (measured at fair value)	478		1,327
	$	667	$	1,470