Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

Assets and Liabilities Measured at Fair Value on a Recurring Basis

	At December 31, 2015								At December 31, 2014
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Marketable securities	$	310	$	310	$	—	$	—	$	422	$	422	$	—	$	—
Derivatives	205		189		16		—		413		394		19		—
Total Assets at Fair Value	$	515	$	499	$	16	$	—	$	835	$	816	$	19	$	—
Derivatives	53		47		6		—		84		83		1		—
Total Liabilities at Fair Value	$	53	$	47	$	6	$	—	$	84	$	83	$	1	$	—

Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

	At December 31										At December 31
									Before-Tax Loss										Before-Tax Loss
	Total		Level 1		Level 2		Level 3		Year 2015		Total		Level 1		Level 2		Level 3		Year 2014
Properties, plant and equipment, net (held and used)	$	3,051	$	—	$	239	$	2,812	$	3,222	$	947	$	—	$	213	$	734	$	1,249
Properties, plant and equipment, net (held for sale)	937		—		937		—		844		—		—		—		—		25
Investments and advances	75		—		75		—		28		11		—		—		11		41
Total Nonrecurring Assets at Fair Value	$	4,063	$	—	$	1,251	$	2,812	$	4,094	$	958	$	—	$	213	$	745	$	1,315