Restructuring and Related Implementation Charges - Summary of Restructuring and Related Costs (Details) - Global Growth and Efficiency Program - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Total Global Growth and Efficiency Program charges, pretax	$ 0	$ 29
Total Global Growth and Efficiency Program charges, aftertax		22
Cost of sales
Restructuring Cost and Reserve [Line Items]
Total Global Growth and Efficiency Program charges, pretax		11
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Total Global Growth and Efficiency Program charges, pretax		4
Other (income) expense, net
Restructuring Cost and Reserve [Line Items]
Total Global Growth and Efficiency Program charges, pretax		13
Non-service related postretirement costs
Restructuring Cost and Reserve [Line Items]
Total Global Growth and Efficiency Program charges, pretax		$ 1