Inventories (Tables)

12 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories are comprised of the following:

	Yen in millions
	March 31
	2017		2018
Finished products		399,850		422,461
Work in process		140,718		153,257
Raw materials, purchased components and supplies		100,267		117,219
Inventories		640,835		692,937