Restructuring and Related Implementation Charges - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020 USD ($)	Sep. 30, 2020 case
Restructuring Cost and Reserve [Line Items]
Number of new approved restructuring projects \| case		0
Global Growth and Efficiency Program
Restructuring Cost and Reserve [Line Items]
Restructuring reduction	$ 16
Restructuring reduction after tax	13
Global Growth and Efficiency Program \| Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Restructuring reduction	3
Global Growth and Efficiency Program \| Other (income) expense, net
Restructuring Cost and Reserve [Line Items]
Restructuring reduction	$ 13

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b)(2))
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

Name:	us-gaap_RestructuringReserveAccrualAdjustment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration