Share-Based Compensation Plans and Other Incentive Plans (Schedule of Compensation Expense) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	$ 68	$ 78	$ 94
Tax benefit	21	24	30
Share-based compensation expense, net of tax	$ 47	$ 54	$ 64
Decrease in basic earnings per share (US$ per share)	$ (0.28)	$ (0.25)	$ (0.28)
Decrease in diluted earnings per share (US$ per share)	$ (0.27)	$ (0.25)	$ (0.28)
Share-based compensation expense in discontinued operations	$ 0	$ 0	$ 20
Costs of sales
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	9	9	10
Selling, general and administrative expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	45	52	61
Research and development expenditures
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based compensation expense included in Operating earnings	$ 14	$ 17	$ 23