Financing Arrangements	9 Months Ended
Feb. 28, 2015
Financing Arrangements [Abstract]
Financing Arrangements	(3) Financing Arrangements We have a shelf registration statement with the SEC that allows us to sell, in one or more future offerings, any combination of our unsecured debt securities and common stock. During the quarter, we issued $2.5 billion of senior unsecured debt under our current shelf registration statement, comprised of $400 million of 2.30% fixed-rate notes due in February 2020, $700 million of 3.20% fixed-rate notes due in February 2025, $500 million of 3.90% fixed-rate notes due in February 2035, $650 million of 4.10% fixed-rate notes due in February 2045, and $250 million of 4.50% fixed-rate notes due in February 2065. Interest on these notes is paid semiannually. We utilized the net proceeds to fund our $1.4 billion acquisition of GENCO and the remaining proceeds for working capital and general corporate purposes. A $1 billion revolving credit facility is available to finance our operations and other cash flow needs and to provide support for the issuance of commercial paper. The agreement contains a financial covenant, which requires us to maintain a leverage ratio of adjusted debt to capital that does not exceed 70%. Our leverage ratio of adjusted debt to capital was 59% at February 28, 2015. We are in compliance with the leverage ratio covenant and all other covenants of our revolving credit agreement and do not expect the covenants to affect our operations, including our liquidity or expected funding needs. See our Annual Report for a description of the term and additional covenant details of our revolving credit facility. Long-term debt, exclusive of capital leases, had a carrying value of $7.2 billion compared with an estimated fair value of $7.8 billion at February 28, 2015 and a carrying value of $4.7 billion compared with an estimated fair value of $5.0 billion at May 31, 2014. The estimated fair values were determined based on quoted market prices and the current rates offered for debt with similar terms and maturities. The fair value of our long-term debt is classified as Level 2 within the fair value hierarchy. This classification is defined as a fair value determined using market-based inputs other than quoted prices that are observable for the liability, either directly or indirectly.

Financing Arrangements

9 Months Ended

Feb. 28, 2015

(3) Financing Arrangements

We have a shelf registration statement with the SEC that allows us to sell, in one or more future offerings, any combination of our unsecured debt securities and common stock.

During the quarter, we issued $2.5 billion of senior unsecured debt under our current shelf registration statement, comprised of $400 million of 2.30% fixed-rate notes due in February 2020, $700 million of 3.20% fixed-rate notes due in February 2025, $500 million of 3.90% fixed-rate notes due in February 2035, $650 million of 4.10% fixed-rate notes due in February 2045, and $250 million of 4.50% fixed-rate notes due in February 2065. Interest on these notes is paid semiannually. We utilized the net proceeds to fund our $1.4 billion acquisition of GENCO and the remaining proceeds for working capital and general corporate purposes.

A $1 billion revolving credit facility is available to finance our operations and other cash flow needs and to provide support for the issuance of commercial paper. The agreement contains a financial covenant, which requires us to maintain a leverage ratio of adjusted debt to capital that does not exceed 70%. Our leverage ratio of adjusted debt to capital was 59% at February 28, 2015. We are in compliance with the leverage ratio covenant and all other covenants of our revolving credit agreement and do not expect the covenants to affect our operations, including our liquidity or expected funding needs. See our Annual Report for a description of the term and additional covenant details of our revolving credit facility.

Long-term debt, exclusive of capital leases, had a carrying value of $7.2 billion compared with an estimated fair value of $7.8 billion at February 28, 2015 and a carrying value of $4.7 billion compared with an estimated fair value of $5.0 billion at May 31, 2014. The estimated fair values were determined based on quoted market prices and the current rates offered for debt with similar terms and maturities. The fair value of our long-term debt is classified as Level 2 within the fair value hierarchy. This classification is defined as a fair value determined using market-based inputs other than quoted prices that are observable for the liability, either directly or indirectly.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

+ References+ Details