Income Taxes - Effective Income Tax Rate (Details)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Reconciliation between the U.S. corporate income tax rate and the effective income tax rate from continuing operations
U.S. corporate income tax rate (as a percent)	21.00%	21.00%
Dividends received deduction (as a percent)	(5.00%)	(5.00%)
Tax credits (as a percent)	(3.00%)	(2.00%)
Impact of equity method presentation (as a percent)	(1.00%)	(1.00%)
Interest exclusion from taxable income (as a percent)	(1.00%)	(1.00%)
Local country permanent tax adjustments (as a percent)	2.00%	1.00%
Other income tax rate impacts (as a percent)		1.00%
Effective income tax rate (as a percent)	13.00%	14.00%