v3.10.0.1

Supplemental Financial Information - Financial Income (Expense) (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Supplemental Income Statement Elements [Abstract]
Interest income		$ 48	$ 27	$ 11
Interest expense		(273)	(310)	(408)
Total interest expense, net		(225)	(283)	(397)
Net gain (loss) on extinguishment of debt		(26)	(41)	(32)
Foreign exchange rate results		(14)	(30)	(15)
Miscellaneous financing costs/income, net	[1]	(70)	(12)	(9)
Total other financial income (expense)		(110)	(83)	(56)
Total		$ (335)	$ (366)	$ (453)
[1] For the period ending December 31, 2018, the amount includes one-time charges ($60 million) on certain financial instruments for compensation related to an adjustment event required by the termination of the Qualcomm Purchase Agreement.

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Miscellaneous Income Expense

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Other Financial Income Expense Net

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts.

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The net amount of nonoperating interest income (expense).

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