Fair Value Measurements

9 Months Ended

Jan. 31, 2018

The following table summarizes the assets and liabilities measured or disclosed at fair value on a recurring basis:



	April 30, 2017				January 31, 2018
	Carrying		Fair		Carrying		Fair
(Dollars in millions)	Amount		Value		Amount		Value
Assets:
Cash and cash equivalents	$	182	$	182	$	287	$	287
Currency derivatives	25		25		2		2
Liabilities:
Currency derivatives	10		10		69		69
Short-term borrowings	211		211		327		327
Current portion of long-term debt	249		249		—		—
Long-term debt	1,689		1,752		1,770		1,840

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. We categorize the fair values of assets and liabilities into three levels based upon the assumptions (inputs) used to determine those values. Level 1 provides the most reliable measure of fair value, while Level 3 generally requires significant management judgment. The three levels are:


•	Level 1 – Quoted prices (unadjusted) in active markets for identical assets or liabilities.


•	Level 2 – Observable inputs other than those included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in inactive markets; or other inputs that are observable or can be derived from or corroborated by observable market data.


•	Level 3 – Unobservable inputs that are supported by little or no market activity.

We determine the fair values of our currency derivatives (forward contracts) using standard valuation models. The significant inputs used in these models, which are readily available in public markets or can be derived from observable market transactions, include the applicable spot rates, forward rates, and discount rates. The discount rates are based on the historical U.S. Treasury rates. These fair value measurements are categorized as Level 2 within the valuation hierarchy.

We determine the fair value of long-term debt primarily based on the prices at which similar debt has recently traded in the market and also considering the overall market conditions on the date of valuation. These fair value measurements are categorized as Level 2 within the valuation hierarchy.

The fair values of cash, cash equivalents, and short-term borrowings approximate the carrying amounts due to the short maturities of these instruments.

We measure some assets and liabilities at fair value on a nonrecurring basis. That is, we do not measure them at fair value on an ongoing basis, but we do adjust them to fair value in some circumstances (for example, when we determine that an asset is impaired). No material nonrecurring fair value measurements were required during the periods presented in these financial statements.

- Definition

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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