Annual report pursuant to Section 13 and 15(d)

Supplemental Disclosures to Consolidated Statements of Cash Flows (Details)

v3.8.0.1
Supplemental Disclosures to Consolidated Statements of Cash Flows (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Supplemental Disclosures to Consolidated Statements of Cash Flow [Abstract]      
Fair value of assets acquired $ 956   $ 154
Intangible assets not subject to amortization 1,577 $ 7 1,791
Intangible assets subject to amortization 651 (40) 837
Net liabilities assumed (977)   (214)
Deferred tax assets (liabilities) (281) 33 (637)
Fair value of equity consideration 1,948   1,087
Cash paid (received) for acquisitions, net of cash acquired (22)   844
Cash paid for interest 343 354 374
Cash paid for income taxes $ 158 $ 204 $ 318