Note 4—Debt

The estimated fair value of the Company’s debt was based primarily on reported market values, recently completed market transactions, and estimates based upon interest rates, maturities, and credit risk. Substantially all of the Company's long-term debt is valued using Level 2 inputs.

The carrying and estimated fair values of the Company’s long-term debt consisted of the following:



	May 10, 2015				August 31, 2014
	Carrying Value		Fair Value		Carrying Value		Fair Value
0.65% Senior Notes due December 2015	$	1,200	$	1,202	$	1,199	$	1,203
5.5% Senior Notes due March 2017	1,099		1,188		1,099		1,223
1.125% Senior Notes due December 2017	1,100		1,102		1,100		1,095
1.7% Senior Notes due December 2019	1,198		1,202		1,198		1,186
1.75% Senior Notes due February 2020	499		497		0		0
2.25% Senior Notes due February 2022	499		491		0		0
Other long-term debt	431		441		497		510
Total long-term debt	6,026		6,123		5,093		5,217
Less current portion	1,200		1,202		0		0
Long-term debt, excluding current portion	$	4,826	$	4,921	$	5,093	$	5,217

On February 17, 2015, the Company issued $1,000 in aggregate principal amount of Senior Notes (February 2015 Notes), as follows: $500 of 1.75% Senior Notes due February 15, 2020; and $500 of 2.25% Senior Notes due February 15, 2022. Interest is due semi-annually on February 15 and August 15, with the first payment due on August 15, 2015.

The Company, at its option, may redeem the February 2015 Notes at any time, in whole or in part, at the redemption price plus accrued and unpaid interest to the date of redemption. The redemption price is equal to the greater of 100% of the principal amount of the notes to be redeemed or the sum of the present value of the remaining scheduled payments of principal and interest to maturity. The Company will be required to offer to purchase the February 2015 Notes, at a price of 101% of the principal amount plus accrued and unpaid interest to the date of repurchase, upon certain events as defined by the terms of the February 2015 Notes. The discount and issuance costs associated with the February 2015 Notes are being amortized to interest expense over the term of the notes, which are valued using Level 2 inputs.

Subsequent to the end of the quarter, on May 21, 2015, the Company's Japanese subsidiary issued approximately $125 of 0.79% promissory notes through a private placement. Interest is payable semi-annually, and principal is due in May 2025. These notes are valued using Level 3 inputs.