Fair value measurements (Tables)

12 Months Ended

Mar. 31, 2020

Fair Values of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes the fair values of the assets and liabilities measured at fair value on a recurring basis as of March 31, 2019 and 2020. Transfers between levels of the fair value are recognized at the end of their respective reporting periods:

	Yen in millions
	March 31, 2019
	Level 1		Level 2			Level 3		Total
Assets
Cash equivalents		249,193		594,200			—		843,393
Time deposits		—		520,000			—		520,000
Marketable securities and other securities investments
Public and corporate bonds		4,378,543		1,452,475			15,171		5,846,189
Common stocks		2,154,951		—			—		2,154,951
Other		189,389		6,007			—		195,396
Investments measured at net asset value		—		—			—		98,451
Derivative financial instruments		—		200,256			77		200,333
Total		6,972,076		2,772,938			15,248		9,858,713
Liabilities
Derivative financial instruments		—		(231,915	)		—		(231,915	)
Total		—		(231,915	)		—		(231,915	)

	Yen in millions
	March 31, 2020
	Level 1		Level 2			Level 3		Total
Assets
Cash equivalents		711,106		592,200			—		1,303,306
Time deposits		—		350,000			—		350,000
Marketable securities and other securities investments
Public and corporate bonds		3,214,773		2,183,695			12,831		5,411,299
Common stocks		1,895,690		—			—		1,895,690
Other		194,085		27,477			—		221,562
Investments measured at net asset value		—		—			—		97,687
Derivative financial instruments		—		503,826			—		503,826
Total		6,015,654		3,657,198			12,831		9,783,370
Liabilities
Derivative financial instruments		—		(437,008	)		—		(437,008	)
Total		—		(437,008	)		—		(437,008	)

Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes the changes in Level 3 assets and liabilities measured at fair value on a recurring basis for the periods ended March 31, 2018, 2019 and 2020:

	Yen in millions
	For the year ended March 31, 2018
	Marketable securities and other securities investments			Derivative financial instruments			Total
Balance at beginning of year		8,947			(7,522	)		1,425
Total gains (losses)
Included in income (loss)		17			805			822
Included in other comprehensive income (loss)		(12	)		—			(12	)
Purchases and issuances		3,860			—			3,860
Settlements		(4,739	)		4,320			(419	)
Other		(585	)		185			(400	)
Balance at end of year		7,488			(2,212	)		5,276
	Yen in millions
	For the year ended March 31, 2019
	Marketable securities and other securities investments			Derivative financial instruments			Total
Balance at beginning of year		7,488			(2,212	)		5,276
Total gains (losses)
Included in income (loss)		1			3,169			3,170
Included in other comprehensive income (loss)		82			—			82
Purchases and issuances		5,254			—			5,254
Settlements		(2,875	)		(784	)		(3,659	)
Other		337			(96	)		241
Balance at end of year		10,287			77			10,364
	Yen in millions
	For the year ended March 31, 2020
	Marketable securities and other securities investments			Derivative financial instruments			Total
Balance at beginning of year		10,287			77			10,364
Total gains (losses)
Included in income (loss)		(346	)		—			(346	)
Included in other comprehensive income (loss)		(671	)		—			(671	)
Purchases and issuances		5,305			—			5,305
Settlements		(1,547	)		(77	)		(1,624	)
Other		(197	)		—			(197	)
Balance at end of year		12,831			—			12,831