Financial Instruments and Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Interest Rate Derivatives

The following table summarizes the notional amounts, related rates and remaining terms of interest rate swap agreements active at December 31 in millions:

	Notional Amount				Average Fixed Rate				Remaining Term at
	2015		2014		2015		2014		December 31, 2015
HBB	$	20.0	$	20.0	1.4	%	1.4	%	extending to January 2020

The following table summarizes the notional amounts, related rates and remaining terms of the interest rate swap agreement active at December 31 in millions:

	Notional Amount				Average Fixed Rate				Remaining Term at
	2015		2014		2015		2014		December 31, 2015
NACoal	$	100.0	$	100.0	1.4	%	1.4	%	extending to May 2018

Schedule of the Fair Value of Derivative Instruments Recorded in the Consolidated Balance Sheets

The following table summarizes the fair value of derivative instruments at December 31 as recorded in the Consolidated Balance Sheets:

	Asset Derivatives					Liability Derivatives
	Balance sheet location	2015		2014		Balance sheet location	2015		2014
Derivatives designated as hedging instruments
Interest rate swap agreements
Current	Prepaid expenses and other	$	1	$	39	Other current liabilities	$	289	$	121
Long-term	Other non-current assets	2		142		Other long-term liabilities	409		291
Foreign currency exchange contracts
Current	Prepaid expenses and other	386		292		Other current liabilities	—		—
Long-term	Other non-current assets	—		—		Other long-term liabilities	—		—
Total derivatives		$	389	$	473		$	698	$	412

Schedule of the Pre-Tax Impact of Derivative Instruments Recorded in the Consolidated Statement of Operations

The following table summarizes the pre-tax impact of derivative instruments for each year ended December 31 as recorded in the Consolidated Statements of Operations:

Derivatives in Cash Flow Hedging Relationships	Amount of Gain or (Loss) Recognized in AOCI on Derivative (Effective Portion)								Location of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)	Amount of Gain or (Loss) Reclassified from AOCI into Income (Effective Portion)									Location of Gain or (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)	Amount of Gain or (Loss) Recognized in Income on Derivative  (Ineffective Portion and Amount Excluded from Effectiveness Testing)
	2015			2014			2013			2015			2014			2013				2015		2014		2013
Interest rate swap agreements	$	(1,922	)	$	(2,664	)	$	933	Interest expense	$	(1,460	)	$	(1,495	)	$	(460	)	N/A	$	—	$	—	$	—
Foreign currency exchange contracts	988			308			354		Cost of sales	860			108			213			N/A	—		—		—
Total	$	(934	)	$	(2,356	)	$	1,287		$	(600	)	$	(1,387	)	$	(247	)		$	—	$	—	$	—

		Amount of Gain or (Loss) Recognized in Income on Derivative
Derivatives Not Designated as Hedging Instruments	Location of Gain or (Loss) Recognized in Income on Derivative	2015		2014		2013
Foreign currency exchange contracts	Cost of sales or Other	$	—	$	25	$	(14	)
Total		$	—	$	25	$	(14	)