Fair Value Measurements and Financial Instruments - Fair Value of Derivative Instruments and Other Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Designated derivative instruments
Derivative asset	$ 10	$ 20
Derivative liability	29	38
Other financial instruments
Investments fair value	23	10
Other current assets
Other financial instruments
Marketable securities	23	10
Interest rate swap contracts \| Other current assets
Designated derivative instruments
Derivative asset	0	0
Interest rate swap contracts \| Other accruals
Designated derivative instruments
Derivative liability	0	1
Interest rate swap contracts \| Other assets
Designated derivative instruments
Derivative asset	4	0
Interest rate swap contracts \| Other liabilities
Designated derivative instruments
Derivative liability	0	8
Foreign currency contracts \| Other current assets
Designated derivative instruments
Derivative asset	6	20
Foreign currency contracts \| Other accruals
Designated derivative instruments
Derivative liability	15	8
Foreign currency contracts \| Other assets
Designated derivative instruments
Derivative asset	0	0
Foreign currency contracts \| Other liabilities
Designated derivative instruments
Derivative liability	14	21
Commodity contracts \| Other current assets
Designated derivative instruments
Derivative asset	0	0
Commodity contracts \| Other accruals
Designated derivative instruments
Derivative liability	$ 0	$ 0

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

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-Publisher FASB
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Amount of investment in marketable security.

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