Debt - Additional Information (Detail) ¥ in Billions	3 Months Ended	12 Months Ended
	Mar. 31, 2015 USD ($) shares	Dec. 31, 2016 USD ($) Bond	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2016 JPY (¥)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 JPY (¥)
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity		$ 3,306,000,000	$ 2,662,000,000	$ 2,742,000,000
Debt issued		10,632,534,000
Carrying Value of Debt		10,608,294,000	11,626,831,000
Exchangeable Senior Notes Outstanding		6,500,000,000
Prepayment costs		0
Gain on early extinguishment of debt		2,484,000	(86,303,000)	(165,300,000)
Notes exchanged	$ 459,800,000
Number of share issued on debt conversion | shares	11,900,000
Repayments of convertible debt	$ 200,000
Term Loan [Member]
Debt Instrument [Line Items]
Carrying Value of Debt		1,500,000,000
Exchangeable Senior Notes [Member]
Debt Instrument [Line Items]
Fair value of derivative instruments	43,000,000
Unrealized gain (loss) on derivative instrument	$ 8,300,000			$ (10,300,000)
TMK Bonds [Member]
Debt Instrument [Line Items]
Debt issued		$ 244,600,000	$ 191,000,000		¥ 25.7		¥ 23.0
Number of bonds outstanding | Bond		1
Carrying Value of Debt		$ 170,800,000			20.0
Global Facility [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity		3,000,000,000				$ 2,300,000,000
Ability to increase borrowing capacity subject to currency fluctuations and obtaining additional lender commitments		$ 3,800,000,000
Debt Instrument maturity date		2020-04
Revolver [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity		$ 482,600,000			56.5
Debt Instrument maturity date		2018-05
Credit facility current borrowing capacity		$ 384,400,000			¥ 45.0
Secured Mortgage Debt [Member]
Debt Instrument [Line Items]
Debt Instrument maturity date		2022-01
Debt issued		$ 152,600,000
Stated Interest Rate		3.30%			3.30%
Senior note effective interest rate		3.50%			3.50%