Short-Term Investments (Tables)

9 Months Ended

Sep. 30, 2014

Short-term Investments [Abstract]

Maturities for short-term investments [Table Text Block]

Maturities for short-term investments

The estimated fair values of short-term investments, which approximate cost at September 30, 2014, are shown below by contractual maturity. Actual maturities may differ from contractual maturities because the issuers of the securities may have the right to prepay obligations without prepayment penalties.

(in millions)	Available-For-Sale		Held-To-Maturity
September 30, 2014
Due in one year or less	$	198	$	479
Due after one year through three years	900		—
Due after three years through five years	199		—
Due after five years	76		—
Total	$	1,373	$	479