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Stockholders' Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 12 Months Ended
Feb. 15, 2017
Sep. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Jan. 31, 2017
Aug. 05, 2015
Jul. 09, 2015
Dec. 31, 2013
Aug. 31, 2007
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Stock repurchase program, number of shares authorized to be repurchased                     20,000,000
Treasury stock value       $ 217,000,000 $ 802,000,000 $ 184,000,000          
Treasury stock value       $ 1,478,100,000 $ 1,265,700,000 [1],[2]            
Common stock in treasury, shares       34,156,355 29,612,337 14,151,759       9,508,908  
Dividends per share on common stock       $ 0.61 $ 0.52 $ 0.52          
Common stock, shares outstanding       193,482,383 196,013,299 210,531,894          
Dividends declared payable date       Mar. 17, 2017              
Dividends declared date of record       Mar. 03, 2017              
Dividends declared date       Feb. 15, 2017              
Subsequent Event [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Dividends per share on common stock $ 0.16                    
Estimated dividend payment             $ 31,000,000        
Common stock, shares outstanding             193,000,000        
Common Stock Repurchase Set One | Share Trading Plan [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Number of common stock shares repurchased       4,680,313              
Treasury stock value       $ 217,000,000              
Common stock repurchase price per share       $ 46.36              
Common Stock Repurchase Set Two | Share Trading Plan [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Number of common stock shares repurchased         9,804,934            
Treasury stock value         $ 478,100,000            
Common stock repurchase price per share         $ 48.76            
Accelerated Shares Repurchase Agreement [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Common stock repurchase price per share   $ 51.76 $ 45.74                
Treasury stock value   $ 298,700,000 $ 25,000,000                
Common stock in treasury, shares   5,771,603 546,574                
Maximum [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Stock repurchase program, authorized amount                 $ 1,500,000,000    
Maximum [Member] | Accelerated Shares Repurchase Agreement [Member]                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Treasury stock value               $ 300,000,000      
[1] As of January 1, 2016, we have adopted ASU 2015-03 and ASU 2015-15 with retrospective application. This resulted in a reclassification from other non-current assets to long-term debt, less current portion for debt issuance costs as of December 31, 2015. Refer to Note 2, “Summary of Significant Accounting Policies and Recently Issued Accounting Standards” of the Notes to the Consolidated Financial Statements for further details.
[2] Property and equipment, net, and other non-current liabilities as of December 31, 2015, have been revised to properly reflect asset retirement obligations. This resulted in an increase to property and equipment, net and other non-current liabilities of $15.0 million. Certain amounts related to external payment terms were misclassified in the Consolidated Balance Sheet. The revision of this item resulted in a decrease in accounts payable and an increase in short-term borrowings of $6.3 million as of December 31, 2015. Additionally, due to changes in the accounting treatment of a factoring agreement the Company reclassified $6.7 million from cash and cash equivalents to other receivables. See Note 2 “Summary of Significant Accounting Policies and Recently Issued Accounting Standards” of the Notes to Consolidated Financial Statements under the heading “Reclassifications and Revisions” for further discussion of the revisions.