Benefit Obligations (Schedule of Company Commitments to Fund Benefit Obligations) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Cash Contributions to Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Total contributions year-to-date	$ 16
Total expected contributions in current fiscal year	23
Cash Contributions to Defined Benefit Pension Plans [Member] | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Total contributions year-to-date	6	[1]
Total expected contributions in current fiscal year	8	[1]
Other Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total contributions year-to-date	16
Total expected contributions in current fiscal year	20
Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Total contributions year-to-date	3
Total expected contributions in current fiscal year	$ 5

[1] The Company makes contributions based on specified percentages of employee contributions.