Nine Months Ended Sept. 30, 2016 | Year Ended Dec. 31 | ||||||||||||||||||||||
| 2015 | 2014 | 2013 | 2012 | 2011 | |||||||||||||||||||
| Earnings, as defined: | |||||||||||||||||||||||
| Pretax income | $ | 1,367,361 | $ | 1,527,204 | $ | 1,545,121 | $ | 1,432,210 | $ | 1,355,402 | $ | 1,309,690 | |||||||||||
| Add: Fixed charges | 560,061 | 700,512 | 677,390 | 686,258 | 734,564 | 725,375 | |||||||||||||||||
| Add: Dividends from unconsolidated subsidiaries | 34,502 | 40,128 | 36,707 | 36,416 | 33,470 | 34,034 | |||||||||||||||||
| Deduct: Equity earnings of unconsolidated subsidiaries | 32,500 | 34,390 | 30,151 | 30,020 | 29,971 | 30,527 | |||||||||||||||||
| Total earnings, as defined | $ | 1,929,424 | $ | 2,233,454 | $ | 2,229,067 | $ | 2,124,864 | $ | 2,093,465 | $ | 2,038,572 | |||||||||||
| Fixed charges, as defined: | |||||||||||||||||||||||
| Interest charges | $ | 485,280 | $ | 595,282 | $ | 566,608 | $ | 575,199 | $ | 601,582 | $ | 591,098 | |||||||||||
| Interest charges on life insurance policy borrowings | 150 | 233 | 214 | 245 | 310 | 332 | |||||||||||||||||
| Interest component of leases | 74,631 | 104,997 | 110,568 | 110,814 | 132,672 | 133,945 | |||||||||||||||||
| Total fixed charges, as defined | $ | 560,061 | $ | 700,512 | $ | 677,390 | $ | 686,258 | $ | 734,564 | $ | 725,375 | |||||||||||
| Ratio of earnings to fixed charges | 3.4 | 3.2 | 3.3 | 3.1 | 2.8 | 2.8 | |||||||||||||||||
