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Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis

The following tables set forth by level within the fair value hierarchy our financial assets and liabilities accounted for at fair value on a recurring basis according to the valuation techniques we used to determine their fair values (in millions):

March 31, 2018	Level 1				Level 2				Level 3				Netting (a)				Total
Other Current Assets:
Derivative financial instruments:
Designated as hedges	$	—			$	25			$	—			$	(15	)		$	10
Undesignated	—				47				—				(29		)		18
Available-for-sale securities:
Current	—				1				1				—				2
Other Assets:
Available-for-sale securities:
Non-current	—				45				51				—				96
Deferred compensation assets	13				288				—				—				301
Total assets	$	13			$	406			$	52			$	(44	)		$	427
Other Current Liabilities:
Derivative financial instruments:
Designated as hedges	$	—			$	—			$	—			$	—			$	—
Undesignated	—				29				—				(28		)		1
Total liabilities	$	—			$	29			$	—			$	(28	)		$	1

September 30, 2017	Level 1				Level 2				Level 3				Netting (a)				Total
Other Current Assets:
Derivative financial instruments:
Designated as hedges	$	—			$	10			$	—			$	(1	)		$	9
Undesignated	—				24				—				(3		)		21
Available-for-sale securities:
Current	—				2				1				—				3
Other Assets:
Available-for-sale securities:
Non-current	—				45				50				—				95
Deferred compensation assets	23				272				—				—				295
Total assets	$	23			$	353			$	51			$	(4	)		$	423
Other Current Liabilities:
Derivative financial instruments:
Designated as hedges	$	—			$	9			$	—			$	(9	)		$	—
Undesignated	—				21				—				(17		)		4
Total liabilities	$	—			$	30			$	—			$	(26	)		$	4

(a) Our derivative assets and liabilities are presented in our Consolidated Condensed Balance Sheets on a net basis when a legally enforceable master netting arrangement exists between the counterparty to a derivative contract and us. Additionally, at March 31, 2018, and September 30, 2017, we had $2 million and $22 million, respectively, of cash collateral posted with various counterparties where master netting arrangements exist and held $18 million in cash collateral at March 31, 2018.

Schedule Of Debt Securities Measured At Fair Value On A Recurring Basis, Unobservable Input Reconciliation

The following table provides a reconciliation between the beginning and ending balance of marketable debt securities measured at fair value on a recurring basis in the table above that used significant unobservable inputs (Level 3) (in millions):

	Six Months Ended
	March 31, 2018				April 1, 2017
Balance at beginning of year	$	51			$	57
Total realized and unrealized gains (losses):
Included in earnings	—				—
Included in other comprehensive income (loss)	—				—
Purchases	10				10
Issuances	—				—
Settlements	(9		)		(11		)
Balance at end of period	$	52			$	56
Total gains (losses) for the six-month period included in earnings attributable to the change in unrealized gains (losses) relating to assets and liabilities still held at end of period	$	—			$	—

Schedule Of Available For Sale Securities

The following table sets forth our available-for-sale securities' amortized cost basis, fair value and unrealized gain (loss) by significant investment category (in millions):

	March 31, 2018												September 30, 2017
	Amortized Cost Basis				Fair Value				Unrealized Gain (Loss)				Amortized Cost Basis				Fair Value				Unrealized Gain (Loss)
Available-for-sale securities:
Debt securities:
U.S. treasury and agency	$	46			$	46			$	—			$	47			$	47			$	—
Corporate and asset-backed	52				52				—				51				51				—

Schedule Of Fair Value And Carrying Value Of Debt

Fair value of our debt is principally estimated using Level 2 inputs based on quoted prices for those or similar instruments. Fair value and carrying value for our debt are as follows (in millions):

	March 31, 2018								September 30, 2017
	Fair Value				Carrying Value				Fair Value				Carrying Value
Total debt	$	10,050			$	10,000			$	10,591			$	10,203

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- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803

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Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements.

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Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

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