XML 50 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Derivative Financial Instruments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Derivative Instruments And Hedging Activities Disclosure [Abstract] |
Outstanding Foreign Currency Forward Contracts | At December 31, 2013 and 2012, the Company had the following outstanding foreign currency forward contracts that were entered into to hedge nonfunctional currency cash flows from forecasted revenues and expenses (in millions):
|  | Currency Domination |
Foreign Currency |  | December 31, 2013 |  |  | December 31, 2012 |
Norwegian Krone |  | NOK |  |  | 10,503 |  |  | NOK |  |  | 6,281 |
Euro |  | € |  |  | 406 |  |  | € |  |  | 389 |
U.S. Dollar |  | $ |  |  | 357 |  |  | $ |  |  | 331 |
Danish Krone |  | DKK |  |  | 278 |  |  | DKK |  |  | 134 |
British Pound Sterling |  | £ |  |  | 23 |  |  | £ |  |  | 6 |
Singapore Dollar |  | SGD |  |  | 17 |  |  | SGD |  |  | 14 |
Canadian Dollar |  | CAD |  |  | 16 |  |  | CAD |  |  | — |
The Company had the following outstanding foreign currency forward contracts that hedge the fair value of nonfunctional currency monetary accounts (in millions):
|  | Currency Denomination |
Foreign Currency |  | December 31, 2013 |  |  | December 31, 2012 |
Norwegian Krone |  | NOK |  |  | 3,257 |  |  | NOK |  |  | 1,684 |
Russian Ruble |  | RUB |  |  | 2,149 |  |  | RUB |  |  | 1,467 |
U.S. Dollar |  | $ |  |  | 715 |  |  | $ |  |  | 967 |
Euro |  | € |  |  | 310 |  |  | € |  |  | 225 |
Danish Krone |  | DKK |  |  | 177 |  |  | DKK |  |  | 177 |
British Pound Sterling |  | £ |  |  | 14 |  |  | £ |  |  | 9 |
Swedish Krone |  | SEK |  |  | 4 |  |  | SEK |  |  | 5 |
Singapore Dollar |  | SGD |  |  | 3 |  |  | SGD |  |  | 24 |
Canadian Dollar |  | CAD |  |  | 3 |  |  | CAD |  |  | 2 |
Brazilian Real |  | BRL |  |  | — |  |  | BRL |  |  | 135 |
Derivative Instruments and their Balance Sheet Classifications | The Company has the following fair values of its derivative instruments and their balance sheet classifications (in millions):
|  | Asset Derivatives |  |  | Liability Derivatives |
|  |  |  | Fair Value |  |  |  |  | Fair Value |
|  | Balance Sheet |  | December 31, |  |  | Balance Sheet |  | December 31, |
|  | Location |  | 2013 |  |  | 2012 |  |  | Location |  | 2013 |  |  | 2012 |
Derivatives designated as hedging instruments under ASC Topic 815 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | Prepaid and other current assets |  | $ | 35 |  |  | $ | 57 |  |  | Accrued liabilities |  | $ | 18 |  |  | $ | 5 |
Foreign exchange contracts |  | Other Assets |  |  | 5 |  |  |  | 24 |  |  | Other Liabilities |  |  | 9 |  |  |  | 1 |
Total derivatives designated as hedging instruments under ASC Topic 815 |  |  |  | $ | 40 |  |  | $ | 81 |  |  |  |  | $ | 27 |  |  | $ | 6 |
Derivatives not designated as hedging instruments under ASC Topic 815 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | Prepaid and other current assets |  | $ | 19 |  |  | $ | 24 |  |  | Accrued liabilities |  | $ | 13 |  |  | $ | 13 |
Total derivatives not designated as hedging instruments under ASC Topic 815 |  |  |  | $ | 19 |  |  | $ | 24 |  |  |  |  | $ | 13 |  |  | $ | 13 |
Total derivatives |  |  |  | $ | 59 |  |  | $ | 105 |  |  |  |  | $ | 40 |  |  | $ | 19 |
Effect of Derivative Instruments on Consolidated Statements of Income | The Effect of Derivative Instruments on the Consolidated Statements of Income ($ in millions)
Derivatives Designated as Hedging Instruments under ASC Topic 815 |  | Amount of Gain (Loss) Recognized in OCI on Derivatives (Effective Portion) (a) |  |  | Location of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) |  | Amount of Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion) |  |  | Location of Gain (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing) |  | Amount of Gain (Loss) Recognized in Income on Derivatives (Ineffective Portion and Amount Excluded from Effectiveness Testing) (b) |
|  | Years Ended December 31, |  |  |  |  | Years Ended December 31, |  |  |  |  | Years Ended December 31, |
|  | 2013 |  |  | 2012 |  |  |  |  | 2013 |  |  | 2012 |  |  |  |  | 2013 |  |  | 2012 |
|  |  |  |  |  |  |  |  |  | Revenue |  |  | 16 |  |  |  | (6 | ) |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  |  | (42 | ) |  |  | 105 |  |  | Cost of revenue |  |  | (6 | ) |  |  | (26 | ) |  | Other income (expense), net |  |  | 12 |  |  |  | 8 |
Total |  |  | (42 | ) |  |  | 105 |  |  |  |  |  | 10 |  |  |  | (32 | ) |  |  |  |  | 12 |  |  |  | 8 |
Derivatives Not Designated as Hedging Instruments under ASC Topic 815 |  | Location of Gain (Loss) Recognized in Income on Derivatives |  | Amount of Gain (Loss) Recognized in Income on Derivatives |
|  |  |  | Years Ended December 31, |
|  |  |  | 2013 |  |  | 2012 |
Foreign exchange contracts |  | Other income (expense), net |  |  | 18 |  |  |  | 19 |
Total |  |  |  |  | 18 |  |  |  | 19 |
(a) | The Company expects that $(16) million of the Accumulated Other Comprehensive Income (Loss) will be reclassified into earnings within the next twelve months with an offset by gains from the underlying transactions resulting in no impact to earnings or cash flow.
(b) | The amount of gain (loss) recognized in income represents nil related to the ineffective portion of the hedging relationships for the each of the years ended December 31, 2013 and 2012, and $12 million and $8 million related to the amount excluded from the assessment of the hedge effectiveness for the years ended December 31, 2013 and 2012, respectively.

X
- Definition Outstanding foreign currency forward contracts. + References No definition available. + Details
Name: | nov_OutstandingForeignCurrencyForwardContractsTableTextBlock
Namespace Prefix: | nov_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of gains and losses on derivative instruments included in an entity's trading activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 55 -Paragraph 184 -URI http://asc.fasb.org/extlink&oid=28362867&loc=SL5634876-113961 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4F -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624186-113959 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsIncludedInTradingActivitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration