Long-term Debt and Other Financing Arrangements - Additional Information (Detail) In Millions, unless otherwise specified	0 Months Ended	6 Months Ended		0 Months Ended	6 Months Ended					0 Months Ended	6 Months Ended					6 Months Ended				0 Months Ended	6 Months Ended
	Apr. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Jul. 31, 2014 Subsequent Event USD ($)	Jun. 30, 2014 Class A Term Loans USD ($)	Jun. 30, 2014 Class B-1 Term Loans USD ($)	Jun. 30, 2014 Class B-2 Term Loans USD ($)	Jun. 30, 2014 Class B-2 Term Loans EUR (€)	Jun. 30, 2014 Senior Debenture Loan Due 2018 USD ($)	Jul. 31, 2014 Senior Debenture Loan Due 2018 Subsequent Event USD ($)	Jun. 30, 2014 Seven Point Seven Five Percentage Senior Notes Due Two Thousand Eighteen USD ($)	Jun. 30, 2014 Revolving Credit Facility USD ($)	Jun. 30, 2014 New Revolving Line Of Credit USD ($)	Apr. 30, 2014 New Classes Term Loan USD ($)	Apr. 30, 2014 New Classes Term Loan EUR (€)	Jun. 30, 2014 Class D Term Loan	Jun. 30, 2014 Class E Term Loans	Jun. 30, 2014 Senior Debenture Loan Due 2022	Apr. 30, 2014 Senior Debenture Loan Due 2022 USD ($)	Jul. 31, 2014 Senior Debenture Loan Due 2022 Subsequent Event USD ($)	Jun. 30, 2014 Base Rate Loans Class B-1 Term Loans	Jun. 30, 2014 Base Rate Loans Class B-2 Term Loans	Jun. 30, 2014 Base Rate Loans Minimum Class A Term Loans	Jun. 30, 2014 Base Rate Loans Maximum Class A Term Loans	Jun. 30, 2014 Eurocurrency Rate Loans Class B-1 Term Loans	Jun. 30, 2014 Eurocurrency Rate Loans Class B-2 Term Loans	Jun. 30, 2014 Eurocurrency Rate Loans Minimum Class A Term Loans	Jun. 30, 2014 Eurocurrency Rate Loans Maximum Class A Term Loans
Debt Instrument [Line Items]
Senior secured credit agreement amended, principal amount														$ 3,180	€ 286
Net proceeds from issuance	750
Debt instrument interest rate stated percentage	5.00%								7.75%									5.00%	5.00%	5.00%
Convertible Subordinated Bonds, Maturity date																Feb. 01, 2017	May 01, 2016
Debt instrument face value					1,580	500	1,100	286				635	575						750	800
Convertible Subordinated Bonds, Maturity					2019-04	2017-05	2021-04	2021-04				2016-04	2019-04
Payment to redeem outstanding senior notes											280
Principal amount of notes issued											1,080
Loss on Extinguishment of Debt				(51)					45
Debt instrument maturity year									2018									2022		2022
Redemption price percentage of principal amount redeemed										100.00%	100.00%
Original principal amount repaid					3.75%	1.00%	1.00%	1.00%
Margin under term loan facility																					1.25%	2.00%	0.50%	1.25%	2.25%	3.00%	1.50%	2.25%
Original principal amount paid in first year					5.00%
Original principal amount paid in second year					5.00%
Original principal amount paid in third year					7.50%
Original principal amount paid in fourth year					10.00%
Original principal amount paid in fifth year					72.50%
Applicable margin for senior secured term loans, base rate loans																						3.00%
Payment to redeem outstanding senior notes		$ 3,748	$ 1,911							$ 800