Redeemable Noncontrolling Interests (Tables)

3 Months Ended

Mar. 31, 2018

Temporary Equity Disclosure [Abstract]

Redeemable Noncontrolling Interest [Table Text Block]

Reconciliation of changes in redeemable noncontrolling interests —

	Three Months Ended   March 31,
	2018		2017
Balance, beginning of period	$	47	$	—
Initial fair value of redeemable noncontrolling interests of acquired businesses			45
Comprehensive income (loss) adjustments:
Net income attributable to redeemable noncontrolling interests	1
Other comprehensive income (loss) attributable to redeemable noncontrolling interests	1		(1		)
Retained earnings adjustments:
Adjustment to redemption value
Balance, end of period	$	49	$	44