Fair Value Measurements	3 Months Ended
Fair Value Measurements	Jun. 30, 2014
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements At June 30, 2014 and March 31, 2014, the carrying amounts of cash, cash equivalents, restricted cash, marketable securities receivables, drafts and accounts payable and other current liabilities generally approximated their estimated fair values because of the short maturity of these financial instruments. Our long-term debt and other financing are carried at amortized cost. The carrying amounts and estimated fair values of these liabilities were $10.2 billion and $10.7 billion at June 30, 2014 and $10.4 billion and $10.8 billion at March 31, 2014. The estimated fair values of our long-term debt and other financing were determined using quoted market prices in a less active market and other observable inputs from available market information, which are considered to be Level 2 inputs, and may not be representative of actual values that could have been realized or that will be realized in the future. Included in cash and cash equivalents at June 30, 2014 and March 31, 2014 were investments in money market funds, time deposits and repurchase agreements of $3.4 billion and $2.9 billion, which are reported at fair value. The fair value of these investments was determined by using quoted prices for identical investments in active markets, which are considered to be Level 1 inputs under the fair value measurements and disclosure guidance. The carrying value of all other cash equivalents approximates their fair value due to their relatively short-term nature. Fair values of our forward foreign currency derivatives were determined using quoted market prices of similar instruments in an active market and other observable inputs from available market information. These inputs are considered Level 2 under the fair value measurements and disclosure guidance, and may not be representative of actual values that could have been realized or that will be realized in the future. Refer to Financial Note 10, "Hedging Activities," for more information on our forward foreign currency derivatives. There were no transfers between Level 1, Level 2 or Level 3 of the fair value hierarchy during the quarters ended June 30, 2014 and 2013.

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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