v3.19.1

Debt (Debt) (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 10,791	$ 10,785
Debt, Current	258	637
Long-term Debt, Excluding Current Maturities	10,533	10,148
Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	2,989	3,036
Loans Payable [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	2,972	2,976
Corporate Debt Securities [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	2,401	2,400
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	1,228	1,264
Secured Debt [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	972	974
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	79	105
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt and Capital Lease Obligations	$ 150	$ 30

X

- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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+ References

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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+ References

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-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
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