XML 78 R13.htm IDEA: XBRL DOCUMENT

Defined contribution plan	12 Months Ended
Defined contribution plan	Dec. 31, 2019
Retirement Benefits [Abstract]
Defined contribution plan	Defined contribution plan The Company has defined contribution plans to which certain employees of the Company and participating subsidiaries may defer compensation for income tax purposes. Participants are eligible to receive matching contributions based on their contributions, in addition to other Company contributions. Defined contribution plan expenses were $220 million, $173 million and $196 million for the years ended December 31, 2019, 2018 and 2017, respectively.