Long-Term Debt and Credit Facilities (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Long-term debt consisted of the following at December 31:

	Weighted Average Interest Rate	Maturities			2017		2016
Notes	2.0%	2018	-	2078	$	6,542	$	6,225
Commercial paper	1.5%	2018			24		295
					6,566		6,520
Less: Current portion of long-term debt					—		—
Total					$	6,566	$	6,520

Schedule of Maturities of Long-term Debt

Excluding such obligations, scheduled maturities of long-term debt and capitalized leases outstanding as of December 31, 2017, were as follows:  

Years Ended December 31,
2018	$	—
2019	1,097
2020	248
2021	298
2022	889
Thereafter	3,311