Nominal or face amount used to calculate payments on the derivative asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Notional Amount
-URI http://asc.fasb.org/extlink&oid=6519104

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5580258-113959

Name:	us-gaap_DerivativeAssetNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Note 11 - Financial Instruments (Details) - USD ($) $ in Millions	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2013	Aug. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Sep. 03, 2013
Note 11 - Financial Instruments (Details) [Line Items]
Long-term Debt, Fair Value					$ 676
Not Designated as Hedging Instrument [Member]
Note 11 - Financial Instruments (Details) [Line Items]
Derivatives, Hedging Instruments	$ 0	$ 0	$ 0	$ 0
Forward Contracts [Member]
Note 11 - Financial Instruments (Details) [Line Items]
Derivative Asset, Notional Amount			384	334
Fair Value, Inputs, Level 2 [Member]
Note 11 - Financial Instruments (Details) [Line Items]
Long-term Debt, Fair Value			$ 588	$ 681