Supplemental Information	9 Months Ended
Jun. 30, 2013
Supplemental Information [Abstract]
Supplemental Information	17. SUPPLEMENTAL INFORMATION Credit Agreement On 30 April 2013, we entered into a five-year $2,500.0 revolving credit agreement with a syndicate of banks (the “2013 Credit Agreement”), under which senior unsecured debt is available to us and certain of our subsidiaries. The 2013 Credit Agreement provides us with a source of liquidity and supports our commercial paper program. We entered into this agreement to increase the previously existing facility by $330.0, extend the maturity date to 30 April 2018, and modify the financial covenant, which is now a maximum ratio of total debt to total capitalization of 70%. No borrowings were outstanding under the 2013 Credit Agreement as of 30 June 2013. The 2013 Credit Agreement terminates and replaces our previous $2,170.0 revolving credit agreement which was to mature 30 June 2015 and had a financial covenant of long-term debt divided by the sum of long-term debt plus equity of no greater than 60%. No borrowings were outstanding under the previous agreement at the time of its termination and no early termination penalties were incurred. Debt We have classified a 3.75% Eurobond for €300 ($390) maturing in November 2013 as long-term debt because we have the ability to refinance the debt under our $2,500.0 committed credit facility maturing 30 April 2018. Our current intent is to refinance this debt via the U.S. or European public or private placement markets. On 4 February 2013, we issued a $400.0 senior fixed-rate 2.75% note that matures on 3 February 2023. Share Repurchase Program On 15 September 2011, the Board of Directors authorized the repurchase of up to $1,000 of our outstanding common stock. We repurchase shares pursuant to Rules 10b5-1 and 10b-18 under the Securities Exchange Act of 1934, as amended, through repurchase agreements established with several brokers. During the first nine months of fiscal year 2013, we purchased 5.7 million of our outstanding shares at a cost of $461.6. At 30 June 2013, $485.3 in share repurchase authorization remains. Purchase of Interest in Equity Affiliate On 29 May 2012, we purchased 25% of the outstanding shares of Abdullah Hashim Industrial Gases & Equipment Co. Ltd. (AHG) for SAR581.3 million ($155). The transaction was recorded as an investment in net assets of and advances to equity affiliates in the Merchant Gases segment.

Supplemental Information

9 Months Ended

Jun. 30, 2013

17. SUPPLEMENTAL INFORMATION

Credit Agreement

On 30 April 2013, we entered into a five-year $2,500.0 revolving credit agreement with a syndicate of banks (the “2013 Credit Agreement”), under which senior unsecured debt is available to us and certain of our subsidiaries. The 2013 Credit Agreement provides us with a source of liquidity and supports our commercial paper program. We entered into this agreement to increase the previously existing facility by $330.0, extend the maturity date to 30 April 2018, and modify the financial covenant, which is now a maximum ratio of total debt to total capitalization of 70%. No borrowings were outstanding under the 2013 Credit Agreement as of 30 June 2013.

The 2013 Credit Agreement terminates and replaces our previous $2,170.0 revolving credit agreement which was to mature 30 June 2015 and had a financial covenant of long-term debt divided by the sum of long-term debt plus equity of no greater than 60%. No borrowings were outstanding under the previous agreement at the time of its termination and no early termination penalties were incurred.

Debt

We have classified a 3.75% Eurobond for €300 ($390) maturing in November 2013 as long-term debt because we have the ability to refinance the debt under our $2,500.0 committed credit facility maturing 30 April 2018. Our current intent is to refinance this debt via the U.S. or European public or private placement markets.

On 4 February 2013, we issued a $400.0 senior fixed-rate 2.75% note that matures on 3 February 2023.

Share Repurchase Program

On 15 September 2011, the Board of Directors authorized the repurchase of up to $1,000 of our outstanding common stock. We repurchase shares pursuant to Rules 10b5-1 and 10b-18 under the Securities Exchange Act of 1934, as amended, through repurchase agreements established with several brokers. During the first nine months of fiscal year 2013, we purchased 5.7 million of our outstanding shares at a cost of $461.6. At 30 June 2013, $485.3 in share repurchase authorization remains.

Purchase of Interest in Equity Affiliate

On 29 May 2012, we purchased 25% of the outstanding shares of Abdullah Hashim Industrial Gases & Equipment Co. Ltd. (AHG) for SAR581.3 million ($155). The transaction was recorded as an investment in net assets of and advances to equity affiliates in the Merchant Gases segment.