Debt And Financing Arrangements (Narrative) (Details) - USD ($) $ in Millions	Mar. 27, 2020	Mar. 31, 2020
Debt Instrument [Line Items]
Debt Instrument, Issuance Date	Mar. 27, 2020
Excess of fair value over carrying value of long-term debt		$ 1,600
Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		10,700
Unused lines of credit		5,900
Commercial Paper [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		5,000
Commercial Paper		2,200
Accounts Receivable Securitization Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		1,900
Unused lines of credit		$ 500
Notes Two Point Seventy-Five Percent Due in 2025 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 500
Debt Instrument, Interest Rate, Stated Percentage	2.75%
Proceeds from Issuance of Unsecured Debt	$ 492
Notes Three Point Twenty-Five Percent Due in 2030 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Proceeds from Issuance of Unsecured Debt	$ 988

The amount by which the fair value of the entity's long-term debt exceeds the carrying value.

No definition available.

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- Definition

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

+ References

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-Name Accounting Standards Codification
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-Section S99
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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Topic 210
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-Subparagraph (SX 210.5-02.22(a)(1))
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Balance Type:	na
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- Definition

Date the debt instrument was issued, in CCYY-MM-DD format.

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-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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-Publisher FASB
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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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