Debt Issuance (Notes)	6 Months Ended
Jun. 30, 2020
Debt Disclosure [Abstract]
Debt Issuance	Debt IssuanceOn May 1, 2020, the Corporation issued $1.0 billion of 1.95% senior notes, due May 1, 2030. The senior notes will bear interest from the date they were issued at an annual rate of 1.95%, payable semi-annually in arrears. The senior notes are unsecured and rank equally with all of the Corporation’s existing and future senior debt. On or after February 1, 2030, the senior notes may be redeemed, in whole or in part, at a redemption price equal to 100% of the principal amount of the senior notes to be redeemed plus accrued and unpaid interest to, but excluding, the redemption date.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-URI http://asc.fasb.org/topic&trid=2208564

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