...Standard & Poor's Ratings Services' ratings on U.S. Bancorp (USB) reflect the continuing generation of well-above average profitability among its peer group of large regional and large complex banks, even though it has maintained a relatively low-risk business mix and growth strategy. USB's results are significantly less volatile than those of many of its competitors, and profitability measures have remained strong, despite the current challenging interest rate environment. USB, with $238 billion of assets at Dec. 31, 2007, is the parent company of U.S. Bank, the sixth-largest U.S. commercial bank. USB benefits from a sizable and low-cost core deposit funding base that supports a cost of funds that remains among the lowest of its peers. This has enabled USB to generate strong net interest margins in varied interest rate environments. USB has maintained an exceptionally high degree of operating efficiency. It commands strong market positions in several national business lines, including...