Debt Debt	6 Months Ended
Jun. 30, 2016
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	Debt On May 18, 2016, we issued $1,200 of fixed rate senior notes consisting of $400 due June 15, 2023 that bear an annual interest rate of 1.875%, $400 due June 15, 2026 that bear an annual interest rate of 2.25%, and $400 due June 15, 2046 that bear an annual interest rate of 3.375%. The notes are unsecured senior obligations and rank equally in right of payment with our existing and future unsecured and unsubordinated indebtedness. The net proceeds of the issuance totaled $1,170, after deducting underwriting discounts, commissions and offering expenses.

Debt Debt

6 Months Ended

Jun. 30, 2016

Debt

On May 18, 2016, we issued $1,200 of fixed rate senior notes consisting of $400 due June 15, 2023 that bear an annual interest rate of 1.875%, $400 due June 15, 2026 that bear an annual interest rate of 2.25%, and $400 due June 15, 2046 that bear an annual interest rate of 3.375%. The notes are unsecured senior obligations and rank equally in right of payment with our existing and future unsecured and unsubordinated indebtedness. The net proceeds of the issuance totaled $1,170, after deducting underwriting discounts, commissions and offering expenses.