Financing Arrangement [Line Items]

No definition available.

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- Definition

Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (a)
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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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Period Type:	instant

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Period Type:	instant

- Definition

Date the debt instrument was issued, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

+ Details

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Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount (premium).

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Balance Type:	debit
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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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-Publisher FASB
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
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- Definition

Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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- Details

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Financing Arrangement (Senior Notes) (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Feb. 29, 2016	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015	Feb. 24, 2016
Financing Arrangement [Line Items]
Senior notes, net		$ 990	$ 989
Proceeds from Issuance of Senior Long-term Debt	$ 989	$ 0	989	$ 0
2021 Notes
Financing Arrangement [Line Items]
Effective interest rate					3.94%
Debt Instrument, Convertible, Remaining Discount Amortization Period		3 years 11 months
Long-term Debt					$ 600
Debt Instrument, Interest Rate, Stated Percentage					3.70%
Debt Instrument, Maturity Date	Mar. 01, 2021
2026 Notes
Financing Arrangement [Line Items]
Effective interest rate					4.97%
Debt Instrument, Convertible, Remaining Discount Amortization Period		8 years 11 months
Long-term Debt					$ 400
Debt Instrument, Interest Rate, Stated Percentage					4.80%
Debt Instrument, Maturity Date	Mar. 01, 2026
Senior Notes
Financing Arrangement [Line Items]
Debt Instrument, Issuance Date	Feb. 24, 2016
Long-term Debt					$ 1,000
Unaccreted discount		$ (2)	(2)		(2)
Debt Issuance Costs, Net		(8)	(9)		$ (9)
Debt Instrument, Fair Value Disclosure		$ 1,054	$ 1,039
Senior Notes, Frequency of Periodic Payment	semiannually
Debt Instrument, Redemption Price, Percentage		100.00%
Change of control repurchase event [Member]
Financing Arrangement [Line Items]
Debt Instrument, Redemption Price, Percentage		101.00%