Restructuring Plans (Tables)

12 Months Ended

Dec. 31, 2019

Restructuring and Related Activities [Abstract]

Summary of the cash activity in the restructuring reserve

The following table summarizes the cash activity in the restructuring reserve for 2019, 2018 and 2017:

(in millions)
Accrued balance as of December 31, 2016	$	87
2017 restructuring charges	86
Payments and other adjustments	(87		)
Accrued balance as of December 31, 2017	86
2018 restructuring charges	59
Payments and other adjustments	(46		)
Accrued balance as of December 31, 2018	99
2019 restructuring charges	219
Payments and other adjustments	(178		)
Accrued balance as of December 31, 2019	$	140