17) SUPPLEMENTAL CASH FLOW INFORMATION
| Year Ended December 31, | 2013 | 2012 | 2011 | |||||||
| Cash paid for interest, net of amounts capitalized | $ | 360 | $ | 441 | $ | 419 | ||||
| Cash paid for income taxes: | ||||||||||
| Continuing operations | $ | 422 | $ | 425 | $ | 233 | ||||
| Discontinued operations | (36) | (19) | 2 | |||||||
| Total | $ | 386 | $ | 406 | $ | 235 | ||||
| Year Ended December 31, | 2013 | 2012 | 2011 | |||||||
| Non-cash investing and financing activities: | ||||||||||
| Equipment acquired under capitalized leases | $ | 58 | $ | 13 | $ | 7 | ||||
| Investment in investee companies | $ | 13 | $ | — | $ | — | ||||
| Contingent consideration associated with acquisitions | $ | — | $ | 4 | $ | 56 | ||||