Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2020

Valuation And Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

STMICROELECTRONICS N.V.

VALUATION AND QUALIFYING ACCOUNTS

Valuation and qualifying accounts deducted from the related asset accounts	Balance at beginning of period		Translation adjustment			Charged to costs and expenses			Additions/ (Deductions)			Balance at end of period
	(Currency—millions of U.S. dollars)
2020
Accounts Receivable		16		—			—			—			16
Deferred Tax Assets		1,534		28			(11	)		(913	)		638
2019
Accounts Receivable		15		—			—			1			16
Deferred Tax Assets		1,548		(4	)		—			(10	)		1,534
2018
Accounts Receivable		15		—			—			—			15
Deferred Tax Assets		1,502		(16	)		143			(81	)		1,548