NEW YORK (Standard&Poor's) Sept. 9, 2014--Standard&Poor's Ratings Services today assigned its 'AA-' issue-level rating to Amazon.com Inc.'s $2 billion unsecured revolving credit facility due 2016. The term of the credit agreement may be extended for up to three additional one-year terms if approved by the lenders. We expect the company to use the facility for working capital, acquisitions, or capital expenditures. The 'AA-' issue-level rating reflects our view of the company's liquid asset base, negative working capital cycle, and lack of material secured borrowings. Our 'AA-' corporate credit rating and stable outlook on Amazon reflects our expectation for strong cash flow generation and that business conditions will remain favorable for online retailers over the next two