Restructuring Restructuring (Tables) - Organizational restructuring

12 Months Ended

Dec. 31, 2020

Restructuring Cost and Reserve [Line Items]

Restructuring and Related Costs

The summary below presents Organizational Restructuring expenses, pre-tax, by type of costs incurred, for the periods indicated:

	Years Ended December 31,						Cumulative Amounts Incurred to Date
	2020		2019		2018
Severance benefits	$	3	$	39	$	15	$	61
Organizational transition costs	122		162		40		324
Total restructuring expenses	$	125	$	201	$	55	$	385
Continuing operations	$	70	$	201	$	49	$	320
Discontinued operations	$	55	$	—	$	6	$	65

Schedule of Restructuring Reserve by Type of Cost

The following table presents the accrued liability associated with Organizational Restructuring expenses as of December 31, 2020:

	Severance Benefits		Organizational Transition Costs		Total
Accrued liability as of January 1, 2020	$	30	$	25	$	55
Provision	3		121		124
Payments	(12)		(113)		(125)
Accrued liability as of December 31, 2020	$	21	$	33	$	54