Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Stockholders' Equity Attributable to Parent [Abstract]

Schedule of Stock Repurchases

The following table summarizes our stock repurchases under the 2016 Program (in millions, except per share amounts):

	Year ended December 31,
	2019		2018		2017
Shares repurchased and retired	26		40		13
Amount	$	1,749	$	2,900	$	954
Average price per share	$	66.36	$	72.95	$	71.79

Reduction to common stock and APIC as a result of stock repurchases

The following table summarizes the reduction of common stock and APIC and the charge to retained earnings as a result of our stock repurchases (in millions):

	Year ended December 31,
	2019		2018		2017
Reduction of common stock and APIC	$	77	$	112	$	34
Charge to retained earnings	$	1,791	$	2,940	$	1,028

Schedule of Dividends Declared

The following table summarizes cash dividends declared on our common stock (in millions, except per share amounts):

	2019				2018
	Dividend Per Share		Amount		Dividend Per Share		Amount
First quarter	$	0.63	$	814	$	0.57	$	752
Second quarter	0.63		810		0.57		747
Third quarter	0.63		807		0.57		746
Fourth quarter	0.63		808		0.57		741
Total	$	2.52	$	3,239	$	2.28	$	2,986

Schedule of accumulated OCI by component

The following table summarizes the changes in AOCI by component, net of tax (in millions):

	Foreign Currency Translation			Unrealized Gains and Losses on Available-for-Sale Debt Securities			Unrealized Gains and Losses on Cash Flow Hedges			Total
Balance at December 31, 2017	$	85		$	194		$	(114	)	$	165
Reclassifications to retained earnings as a result of the adoption of new accounting standards	—			(293		)	—			(293		)
Balance at January 1, 2018	$	85		$	(99	)	$	(114	)	$	(128	)
Net unrealized (loss) gain	(38		)	43			112			117
Reclassifications to net income	—			4			87			91
Net current period other comprehensive (loss) income	(38		)	47			199			208
Balance at December 31, 2018	$	47		$	(52	)	$	85		$	80
Net unrealized gain	6			54			72			132
Reclassifications to net income	—			(1		)	(126		)	(127		)
Net current period other comprehensive income (loss)	6			53			(54		)	5
Balance at December 31, 2019	$	53		$	1		$	31		$	85