Additional Information (Tables)

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Other Nonoperating Income (Expense)

	For the Years Ended December 31,
(in millions)	2019			2018			2017
Research and development expense	$	168		$	252		$	241
Advertising expense	$	33		$	37		$	29
Interest and other debt expense, net:
Interest expense	$	1,322		$	697		$	736
Interest income	(42		)	(32		)	(31		)
	$	1,280		$	665		$	705

Schedule of Valuation and Qualifying Accounts

The activity in the allowance for discounts and allowance for returned goods for the years ended December 31, 2019, 2018 and 2017 was as follows:

(in millions)	2019						2018						2017
	Discounts			Returned Goods			Discounts			Returned Goods			Discounts			Returned Goods
Balance at beginning of year	$	—		$	32		$	—		$	40		$	—		$	49
Charged to costs and expenses	604			127			620			97			626			130
Deductions (1)	(604		)	(127		)	(620		)	(105		)	(626		)	(139		)
Balance at end of year	$	—		$	32		$	—		$	32		$	—		$	40

⁽¹⁾ Represents the recording of discounts and returns for which allowances were created.

The activity in the allowance for losses on finance assets for the years ended December 31, 2019, 2018 and 2017 was as follows:

(in millions)	2019		2018			2017
Balance at beginning of year	$	19	$	23		$	32
Decrease to allowance	—		(4		)	(9		)
Balance at end of year	$	19	$	19		$	23