Investments (Tables)

12 Months Ended

Dec. 31, 2021

Investments [Abstract]

Investment and Other Income (Loss), Net

Investment and Other Income (Loss), Net
Year ended December 31 (in millions)	2021		2020		2019
Equity in net income (losses) of investees, net	$	2,006	$	(113)	$	(505)
Realized and unrealized gains (losses) on equity securities, net	339		1,014		656
Other income (loss), net	211		259		287
Investment and other income (loss), net	$	2,557	$	1,160	$	438

Investment Summary

Investments
December 31 (in millions)	2021		2020
Equity method	$	6,111	$	6,006
Marketable equity securities	406		460
Nonmarketable equity securities	1,735		1,950
Other investments	803		143
Total investments	9,055		8,559
Less: Current investments	368		292
Less: Investment securing collateralized obligation	605		447
Noncurrent investments	$	8,082	$	7,820