Impairment, Restructuring Charges and Other Related Closure Costs (Tables)

12 Months Ended

Dec. 31, 2020

Restructuring And Related Activities [Abstract]

Summary of Impairment, Restructuring Charges and Other Related Closure Costs

Impairment, restructuring charges and other related closure costs incurred in 2020, 2019 and 2018 are summarized as follows:

Year ended December 31, 2020	Impairment			Restructuring charges			Other related closure costs		Total impairment, restructuring charges and other related closure costs
Set-top Box restructuring plan		—			1			—		1
Bouskoura restructuring plan		—			(8	)		—		(8	)
Long-lived asset impairment charge		(4	)		—			—		(4	)
Total		(4	)		(7	)		—		(11	)

Year ended December 31, 2019	Impairment			Restructuring charges		Other related closure costs		Total impairment, restructuring charges and other related closure costs
Set-top Box restructuring plan		—			2		—		2
Long-lived asset impairment charge		(7	)		—		—		(7	)
Total		(7	)		2		—		(5	)

Year ended December 31, 2018	Impairment			Restructuring charges			Other related closure costs		Total impairment, restructuring charges and other related closure costs
Set-top Box restructuring plan		—			(19	)		—		(19	)
Long-lived asset impairment charge		(2	)		—			—		(2	)
Total		(2	)		(19	)		—		(21	)

Changes to Restructuring Provisions Recorded on Consolidated Balance Sheets

Changes to the restructuring provisions recorded on the consolidated balance sheets from December 31, 2018 to December 31, 2020 are summarized as follows:

	Set-top Box restructuring plan			Bouskoura restructuring plan			Other restructuring initiatives			Total
Provision as at December 31, 2018		34			—			1			35
Adjustment for unused provisions		(2	)		—			—			(2	)
Amounts paid		(20	)		—			(1	)		(21	)
Currency translation effect		(1	)		—			—			(1	)
Provision as at December 31, 2019		11			—			—			11
Charges incurred in 2020		—			8			—			8
Adjustment for unused provisions		(1	)		—			—			(1	)
Amounts paid		(6	)		(8	)		—			(14	)
Provision as at December 31, 2020		4			—			—			4