The components of investments, including associated derivatives, were as follows:


(In millions)		Cost Basis	Unrealized Gains		Unrealized Losses			Recorded Basis		Cash and Cash Equivalents		Short-term Investments		Equity and Other Investments


March 31, 2018

Cash	$	4,104	$	0	$	0		$	4,104	$	4,104	$	0	$	0
Mutual funds		683		0		0			683		683		0		0
Commercial paper		3,774		0		0			3,774		3,158		616		0
Certificates of deposit		2,022		0		0			2,022		1,156		866		0
U.S. government and agency securities		108,056		31		(1,239	)		106,848		117		106,731		0
Foreign government bonds		4,671		3		(12	)		4,662		3		4,659		0
Mortgage- and asset-backed securities		3,750		5		(12	)		3,743		0		3,743		0
Corporate notes and bonds		6,139		27		(43	)		6,123		0		6,123		0
Municipal securities		269		41		(1	)		309		0		309		0
Common and preferred stock		1,324		917		(4	)		2,237		0		0		2,237
Other investments		583		0		0			583		0		2		581


Total	$	135,375	$	1,024	$	(1,311	)	$	135,088	$	9,221	$	123,049	$	2,818


(In millions)		Cost Basis	Unrealized Gains		Unrealized Losses			Recorded Basis		Cash and Cash Equivalents		Short-term Investments		Equity and Other Investments


June 30, 2017

Cash	$	3,624	$	0	$	0		$	3,624	$	3,624	$	0	$	0
Mutual funds		1,478		0		0			1,478		1,478		0		0
Commercial paper		319		0		0			319		69		250		0
Certificates of deposit		1,358		0		0			1,358		972		386		0
U.S. government and agency securities		112,119		85		(360	)		111,844		16		111,828		0
Foreign government bonds		5,276		2		(13	)		5,265		1,504		3,761		0
Mortgage- and asset-backed securities		3,921		14		(4	)		3,931		0		3,931		0
Corporate notes and bonds		4,786		61		(12	)		4,835		0		4,835		0
Municipal securities		284		43		0			327		0		327		0
Common and preferred stock		2,472		3,062		(34	)		5,500		0		0		5,500
Other investments		523		0		0			523		0		0		523


Total	$	136,160	$	3,267	$	(423	)	$	139,004	$	7,663	$	125,318	$	6,023

Investments with continuous unrealized losses for less than 12 months and 12 months or greater and their related fair values were as follows:

	Less than 12 Months					12 Months or Greater								Total Unrealized Losses


(In millions)		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Total Fair Value


March 31, 2018

U.S. government and agency securities	$	95,908	$	(1,169	)	$	2,031	$	(70	)	$	97,939	$	(1,239	)
Foreign government bonds		1,261		(3	)		26		(9	)		1,287		(12	)
Mortgage- and asset-backed securities		1,614		(7	)		147		(5	)		1,761		(12	)
Corporate notes and bonds		2,463		(30	)		430		(13	)		2,893		(43	)
Municipal securities		36		(1	)		0		0			36		(1	)
Common and preferred stock		19		0			23		(4	)		42		(4	)


Total	$	101,301	$	(1,210	)	$	2,657	$	(101	)	$	103,958	$	(1,311	)

	Less than 12 Months					12 Months or Greater								Total Unrealized Losses


(In millions)		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Total Fair Value


June 30, 2017

U.S. government and agency securities	$	87,558	$	(348	)	$	371	$	(12	)	$	87,929	$	(360	)
Foreign government bonds		4,006		(2	)		23		(11	)		4,029		(13	)
Mortgage- and asset-backed securities		1,068		(3	)		198		(1	)		1,266		(4	)
Corporate notes and bonds		669		(8	)		177		(4	)		846		(12	)
Common and preferred stock		69		(6	)		148		(28	)		217		(34	)


Total	$	93,370	$	(367	)	$	917	$	(56	)	$	94,287	$	(423	)